Any ideas?

Mostly, the n800 stays in my bag or my pocket for the majority of the workday. I pull it out from time to time to jump online or just play with it. But it's when I get home after work that I really want to use it to read RSS feeds or what-have-you. It routinely runs out of battery after 20 or 30 mins of this use after having been powered on (in the bag) for most of the day.

I have to believe that I'm doing something wrong. The 770 handled this scenario without breaking a sweat. I could even skip a night on the charger and use it similarly for a second day. Because it went to sleep when I flipped the 770 in its case.

I thought (previous post) that if I simply hit the power button and selected 'Lock screen and keys', then it would ignore screen pressure in my bag and eventually go to sleep on its own. Sadly, that isn't the case. I noticed that upon screen pressure, the n800 happily turns the screen on and announces 'Press (power) and (select?) to unlock screen....'. This keeps it from truly suspending and eats battery life. (It also stays connected to the AP in range, which doesn't help. But this wouldn't really matter if it would just go to sleep.)

If it sits on a desk before going into the bag, it will eventually go to sleep, with a press of the power button needed to wake it up (rather than a tap of the screen). This doesn't make sense to me, as it limits the environment in which you could use the device effectively (think plane or bus).

If in order to extend the battery to an entire workday, I need to power the n800 up and down then it immediately loses much of the appeal for me. A tablet, in my eyes, serves an immediate-action sort of role.

Anyone else running into this?