if you're just applying a theme over an existing rom, it isn't necessary (unless you end up with some bugs). switching between roms, it's a good idea to wipe.
"Maybe you guys need a refresher course - it's all ballbearings nowadays!!" -- Fletch
"Goonga Galoonga...No - Goonga Lagoonga..." -- Carl, "Caddyshack"
Loaded the New saphire update. Almost can't find anything wrong now. Camera works, Facebook is 1.3.2 but Shazam still FC's. Just an FYI.
There's always a chance, Doctor, as long as one can think.