Anyone here with T-mobile G1's or HTC Dreams?

Quick question about them: I recently got a dream and I notice the battery kinda sucks ass. I have to charge it everyday it can not for the life of it keep a charge more than a day, sometimes I have to charge during the day, is this normal? Also note I use a data plan a lot (Ie.Twitter, Facebook, Browser, GPS ect...) 

heh shoulda waited for the HTC hero that thing looks awsome, and that sucks about the data I pay 30 a month for mine (im with rogers)