[snovvman]

At the lowest drain level, DH's "Almost 6.1.." ROM was 54 mAh from my observation. When I updated to 2.7x, the lowest drain level was ~80 mAh. When I upgraded to 2.9, I saw sub-60 mAh again (hovering around 200-300 mAh when operating).

Then I installed Yahoo's beta mobile client and my device went crazy. It would not ever drop below 300 mAh (hovering around 500-600 mAh when operating). I uninstalled the client, and the device was still burning at 300 mAh or more. I did a hard reset, and it's back at ~60 mAh at idle.

The point is that I think v2.9 is stable, and has good drain characteristics. Look out for the apps you install and the amount of CPU it's chewing up. Keep in mind that the cellular service quality (signal strength) has A LOT to do with battery life as well.

In the end, it may not be the ROM, but rather the additional apps you've installed. Sometimes they seem to affect the device even when they are not running or have been uninstalled.