If you are looking for a good ROM, check out the VK ROM for rooted Galaxy S2 i9100, this one comes with pretty nifty features like transparent app drawer, ability to sort apps by name or popularity, and more. It also comes with Siyah kernel.
This is one of my favorite ROMs so check it out.
Download VK ROM
Don’t forget to say huge thanks to XDA user nguyenxuanhoa for this wonderful ROM!