I'm using 3.42.50 from the latest Bell rom. You can get it from
http://forum.ppcgeeks.com/showthread.php?t=30332 thanks to OMJ. I see the that latest leaked VzW ship rom has 3.37.77 i think which is the same that I had on my touch. I think i'm going to flash it just to see if it will help as I am on THE NETWORK!