So one day after receiving brand new S3 rooted via Odin setup CWM recovery and attempted flashing multiple custom roms. First two attempted were for 4.2.1 and afterwards said flash failed. Third was Neat rom for 4.1.2, flashed, said flashed failed, then never turned back on again. After researching i realized it was for i9300, but i could not see anywhere on the roms page that said so. I am getting another new s3 and would still like to flash a custom rom, but i am appropriately very nervous about it. I have had Droid 3, Droid 4, and Asus t300t rooted and romed with very little problems. Can anyone suggest a good rom with good battery life and reassure me that i wont brick another? Thanks.