Best Clientscript That Combine And Minify Css/js

Searching for the best ClientScript that combine and minify CSS/JS

I've made a modification over original EClientScript (extended CClientScript)
that uses stronger hash involving mtime of all files

https://github.com/muayyad-alsadi/yii-EClientScript

also some people noted minscript (but by looking at its code I see that each hit to JS/CSS would be php hit)
http://www.yiiframework.com/extension/minscript/