Please pardon my noobness... I'm thinking of trying the NEAK kernel but if it doesn't work out, how do I get back to what I have now (3.0.28-CM-g27f2517). I want to make sure any kernel I use is ok with i777 and also with AOKP. I googled but just confused myself. Thanks
Reboot into recovery (CWM) and do a backup (this is a Nandroid backup). Then either use the kernel cleaner script or flash NEAK. If you dont like it, then you can reboot back into recovery (CWM) and do a restore. Then you will be right back where you were before you flashed NEAK.