People who don't have deep sleep, try Fixing Permissions in xRec or ClockWork
Numbers depending on where they are saved, if they are saved on the SIM card, then no. Pics can be easily backed up, and apps can be re-downloaded if you don't want to re-download apps you can back them up with Titanium Backup.
Awesome ROM, everything works, calibration is good too, the touch keyboard calibration makes it even better. The ROM is fast after turning off some useless features.
p.s for better performance, don't add weather widget on the main screen, and don...