6/25 Updates
-added Wireless N support
-added PPCGEEKS bookmark
-updated Google Maps
-updated ROM Manager (though there's already a update available)
-removed Sprint HotSpot
-removed Bootup Sounds
-removed app2sd (wasn't working, still working on)
-changed default internet homepage
you may or may not need to wipe, it's always suggested. If you do not wipe & get caught in a boot loop, go back into recovery, wipe & reflash.
If you do wipe & want to restore your data, do a nandroid backup before wiping, and I'll explain later how to restore your data.