A lot of your questions can be answered by reading through the link GB P-R thread so please start there. There's several links in this thread to it.
P3droid via twitter has GB rooted.
" P3Droid OK YOU HAVE TO PROMISE NOT TO KILL MY SERVER, BUT I HAVE ROOT ON CONSUMER GINGERBREAD,pass the word"
Instructions on how to root GB.
Droid X Gingerbread (2.3.3) - Release - PreRooted
Credit goes to TBH, P3droid courtesy of mydroidworld forums.
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