Nice. My suggestion for "fail safe:"
Throw a stock rom backup (or any backup that is stable I guess) on the internal memory at /clockworkmod/backup. If anything ever happens, you could make a bootable cwm card, boot into recovery via said card and use that backup to restore things.
Device: Samsung Galaxy Nexus
Android Version: 4.1.2; AOKP Build 5
Device: Motorola Xoom WiFi
Android Version: 4.1.2; Eos Nightlies
Device: Samsung Moment
Android Version: 2.2.2; UberMoment 1.3.4
Other devices I am familiar with:
HP Touchpad | HTC Droid Incredible | Motorola Droid X | Motorola Photon | Nook Color | Nook Tablet