Seeing as you have access to your device first make sure you have another ROM downloaded then download terminal emulator
from the market.
Open it and type:
"su"
Hit enter and allow any prompts then type:
"reboot recovery"
Hit enter and you should start booting to recovery.
If that does not work (did not for me)then try downloading quick boot from the market open it and select recovery.
I had it figured out about a day before you posted, that's what I ended up having to do, after I drained the battery all the way it worked, flashed a new Rom after that, all is now well.
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