Scale up 960.gs files to whatever size you want!

960Converter.php

<?php 

/* This amazingly cool piece of code converts your 960.gs file into whatever you want */
/* Simply enter your new size in pixels that you wish to scale it up to and it will magically do it! */
function scale_960_gs($new_size = 960) {
	$multiplier = abs($new_size / 960);
	$i = explode(PHP_EOL, file_get_contents('http://960.gs/css/960.css'));
	$a = 0;
	foreach($i as $line=>$r) {
		$m = array(
			'width',
			'min-width',
			'padding-left',
			'padding-right',
			'left',
			'right'
		);

		foreach($m as $m2) {
			if(substr(trim($r), 0, strlen($m2)) == $m2) {
				$res = preg_replace('/'.$m2.': (.*)px;/', '$1', $r);
				$res = (int) $res;
				$nv = ceil($res * $multiplier);
				$total[] = str_replace($res, (integer) $nv, $r);
				$a = 1;
			}
		}

		if($a == 0) {
			$total[] = $r;
		}
		$a = 0;
	}
	return implode(PHP_EOL, $total);
}