Меню под названием Rocking and Rolling, в интернете его можно было найти очень давно, но все таки менюшка довольна симпатичная, поэтому выкладываю.

Разметка HTML

        <div class="rmenu">
            <div class="ritem">
                <a class="rlink icon_mail"></a>
                <div class="item_content">
                    <h2>Контакты</h2>
                    <p>
                        <a href="#">Почта</a>
                        <a href="http://www.twitter.com/pcvector/">Twitter</a>
                        <a href="#">Facebook</a>
                    </p>
                </div>
            </div>
            <div class="ritem">
                <a class="rlink icon_help"></a>
                <div class="item_content">
                    <h2>Помощь</h2>
                    <p>
                        <a href="#">FAQ</a>
                        <a href="#">Поддержка</a>
                        <a href="#">Тикеты</a>
                    </p>
                </div>
            </div>
            <div class="ritem">
                <a class="rlink icon_find"></a>
                <div class="item_content">
                    <h2>Поиск</h2>
                    <p>
                        <input type="text"></input>
                        <a href="">ОК</a>
                    </p>
                </div>
            </div>
            <div class="ritem">
                <a class="rlink icon_photos"></a>
                <div class="item_content">
                    <h2>Галерея</h2>
                    <p>
                        <a href="#">Категории</a>
                        <a href="#">Архивы</a>
                        <a href="#">Лучшее</a>
                    </p>
                </div>
            </div>
            <div class="ritem">
                <a class="rlink icon_home"></a>
                <div class="item_content">
                    <h2>PCVECTOR.NET</h2>
                    <p>
                        <a href="http://www.pcvector.net/">Услуги</a>
                        <a href="http://www.pcvector.net/">Портфолио</a>
                        <a href="http://www.pcvector.net/">Цена</a>
                    </p>
                </div>
            </div>
        </div>

CSS

.rmenu{
    width:800px;
    height:52px;
    position:relative;
    top:200px;
    left:100px;
    font-family: "Trebuchet MS", sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: bold;
    text-transform: uppercase;
}
.ritem{
    position:relative;
    background-color:#f0f0f0;
    float:right;
    width:52px;
    margin:0px 5px;
    height:52px;
    border:2px solid #ddd;
    -moz-border-radius:30px;
    -webkit-border-radius:30px;
    border-radius:30px;
    -moz-box-shadow:1px 1px 3px #555;
    -webkit-box-shadow:1px 1px 3px #555;
    box-shadow:1px 1px 3px #555;
    cursor:pointer;
    overflow:hidden;
}
.rlink{
    left:2px;
    top:2px;
    position:absolute;
    width:48px;
    height:48px;
}
.icon_home{
    background:transparent url(images/home.png) no-repeat top left;
}
.icon_mail{
    background:transparent url(images/mail.png) no-repeat top left;
}
.icon_help{
    background:transparent url(images/help.png) no-repeat top left;
}
.icon_find{
    background:transparent url(images/find.png) no-repeat top left;
}
.icon_photos{
    background:transparent url(images/photos.png) no-repeat top left;
}
.item_content{
    position:absolute;
    height:52px;
    width:220px;
    overflow:hidden;
    left:56px;
    top:7px;
    background:transparent;
    display:none;
}
.item_content h2{
    color:#aaa;
    text-shadow: 1px 1px 1px #fff;
    background-color:transparent;
    font-size:14px;
}
.item_content a{
    background-color:transparent;
    float:left;
    margin-right:7px;
    margin-top:3px;
    color:#bbb;
    text-shadow: 1px 1px 1px #fff;
    text-decoration:none;
    font-size:12px;
}
.item_content a:hover{
    color:#0b965b;
}
.item_content p {
    background-color:transparent;
    display:none;
}
.item_content p input{
    border:1px solid #ccc;
    padding:1px;
    width:155px;
    float:left;
    margin-right:5px;
}

javascript

        <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>
        <script src="jquery-css-transform.js" type="text/javascript"></script>
        <script src="jquery-animate-css-rotate-scale.js" type="text/javascript"></script>
        <script>
            $('.ritem').hover(
                function(){
                    var $this = $(this);
                    expand($this);
                },
                function(){
                    var $this = $(this);
                    collapse($this);
                }
            );
            function expand($elem){
                var angle = 0;
                var t = setInterval(function () {
                    if(angle == 1440){
                        clearInterval(t);
                        return;
                    }
                    angle += 40;
                    $('.rlink',$elem).stop().animate({rotate: '+=-40deg'}, 0);
                },10);
                $elem.stop().animate({width:'268px'}, 1000)
                .find('.item_content').fadeIn(400,function(){
                    $(this).find('p').stop(true,true).fadeIn(600);
                });
            }
            function collapse($elem){
                var angle = 1440;
                var t = setInterval(function () {
                    if(angle == 0){
                        clearInterval(t);
                        return;
                    }
                    angle -= 40;
                    $('.rlink',$elem).stop().animate({rotate: '+=40deg'}, 0);
                },10);
                $elem.stop().animate({width:'52px'}, 1000)
                .find('.item_content').stop(true,true).fadeOut().find('p').stop(true,true).fadeOut();
            }
        </script>

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