not for me, at least. i have 7 mail accounts (1 MfE push, 1 gmail push, 2 at 10 min, 3 twice a day, 1 twitter refresh at 30 min). with gTalk always on, i still get under 20 mA. since i installed inception+opptimizer, my battery was almost perfect. i could install 0.1.8, but i had the sync-contacts problem. with 0.2.4 the problem was gone, but, as many others, the battery jumped up to about 40 mA from 20 mA as i said before. i'm still more than happy. this is community. cheers, no_nuke