I went ahead and put Gingerbread on my Droid X this morning after it leaked out. The difference is incredible. Going from 2.1 to 2.2 wasn't that big of a deal as far as I could tell, but 2.3 is WAY faster. I ran quadrant and got 1877 this morning. On 2.2 I think I was getting in the high 1300/low 1400's.
It cost me $2 to get the Droid X Bootstrap, but again, this is well worth your time.
Here is where to get the file with instructions