well,
i came up with a quick solution that works in ie but not in opera, didn't try mozilla. don't have the time right now to play around with it, have to go do somefin. might play with it later.
PHP Code:
<html>
<head>
<style type="text/css">
div {min-height:50px; !important;float:none; text-align: center;}
span{position:relative;top:50%;margin-top:-0.5em;}
</style>
</head>
<body>
<div class="text">
<span>Some Text</span>
</div>
</body>
</html>