I installed Cyanogenmod 10 about 2 weeks ago and love my phone again. Jellybean runs smooth no problems at all. Got tired of waiting for at&t also really tired of all the bloatware they continue to install after updates. My phone was constantly crashing or running out of memory.
I simply used Odin to install clockmod recovery then flashed CM10 and all done with in a few minutes. Very simple to do... no regrets here. I was just careful and followed the simple videos I found on youtube.