2. To see what apps run in the background go to Settings --> Applications --> Running Services. That said, HOLY WOW. lol. Compcache should be handy here, lol.
3. The bloatware is unwanted programs that Verizon won't let you uninstall. Such as Slacker Radio, that golf program, and other crap.
4. I sure hope so. Still, I'm getting pretty good results with all the syncing off, still at 100% battery.