I have great battery life with pda's v8 UNTIL I turn bluetooth on.
Once BT is turned on, the battery drains at an alarming rate, even if BT is turned back off when I'm done with it.
If I reboot after turning BT off, my battery life returns to exceptionally good.
So at this point I'd say that this is not your ROM if you need Bluetooth to work flawlessly.
Because it doesn't.
I well recall the issues with BT-caused battery drain with early Gingerbread ROMs.
It was fixed at some point but I don't know what that entailed.
8.9" Kindle Fire HD - root, Play, ...
7" Kindle Fire HD - root, Play, ...
GNex - bone stock
Touchpad - CM9 nightlies
HD2 Tmous - pda WP7 Tango/Tytung ICS (dual boot)