I had a 7230 and I got the 3-5 day thing. I now have a 7290 and because of the bluetooth (I think), I am getting no more than 1 day.
Crackberry User and Addict.
7250 on Verizon w/EVDO and 4.0.2 Update (Active)
7290 on T-Mobile (Retired)
T-Mobile 7230 (Retired)