Support website

http://www.cyanogenmod.org/ http://en.miui.com/ http://forum.xda-developers.com/showthread. php?t=1708371 http://www.paranoid-rom.com/ http://www.slimroms.net/ http://www.igio90.net/

http://kitchen.indieroms.net/blog/ http://aokp.co/ http://ultimarom.com/home

http://wanamlite.com/tag/galaxy-s3/ needs to try both in order to form an opinion on which suits you better.