It looks like you're already trying out roms, and that's good, since your mileage will vary.
While you're testing, I heartily suggest going to the RootRom thread, going to his DL page, and trying out his stripped down 2.1. He did strip it for Verizon users. I have tested it, and it was wickedly fast, though my device isn't crippled. I would imagine you running that would be about equal to me running a "standard" rom.
Seriously, give it a try!
