Seems that after I did a factory reset, hard reset, deleted and re-download some apps, changes all my settings again im finally getting battery levels as it was on 2.1.
FOR THOSE OF YOU WITH GMAIL SYNC ISSUES READ THIS POST IT WORKED FOR ME!!
THanks ADRINAQ!
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Like many here I was having the same "no sync" problem with my non-primary gmail accounts. Here is how I fixed my issue. YMMV.......
NOTE: There might be a shorter way, but I will state exactly what I did verbatim.
1) Made sure my accounts were setup for sync.
(Setting-> Accounts & Sync)
2) Went to Settings->Applications->Manage Application->ALL->Gmail and Pressed the clear data button.
3) At this point I was getting Force Closed issues when I clicked on my GMAIL Unread count widget. Just go to the App Tray and load up the gmail app. It will will give you a message asking you to wait for mail to set up. I just cancelled out.
4) Rebooted
5) err message on my secondary gmail unread count widget went away.
6) Sent a test email to my secondary gmail account and 5 seconds later (literally...I timed it)...it popped up on my phone.
I have since received a handful of emails from various sources and things are looking good.
Hope this help.