Seems to be working great loading from a disc through the disc channel with vki's new dol patch.
I'm on 4.2U
D2Ckey
Truncha IOS53
looks like vki figured out how to patch the dol so that it's compatible with the D2Ckey.
GREAT WORK!
edit:
I've been playing now for over 30 minutes. no DRE's...