For anyone having issues with the tune re-flash, I was locked out of the PCM after the flash as HP Tuners didn't recognize the new OS.  Since then it is now a recognized OS and everyone should be able to re-flash.  If you are modified, do a read of the flash before going in (sorry diablo guys dunno how you do this), save it.  Let them flash it and then re-flash in the dealer parking lot.  I'd use VCM Scanner to reset all adaptives.