I've had the bionic for about 10 days now, and want to love it, but there are some real issues. I have the extended battery, so ironically battery life isn't one of them. The camera is just plain frustrating... about 1 out of 5 pictures I take are very good - clear detail, nicely balanced exposure - but the rest are awful (blurry, lack of detail). The shutter lag is the worst problem, though... 5-7 seconds to lock focus and shoot is unacceptable, and while Moto might release a firmware update to improve that, what if they don't?
I'm also worried about the build quality of the phone - the case back creaks and moves, and the volume rocker switch "floats" - if you shake the phone, you can hear it rattle. My 1st gen Droid was a tank, and I never had a case for it (once dropped it while on a call smack onto pavement - it didn't crack the glass, didn't even hang up the call). The Bionic doesn't have that same durable feel to it.
I love the performance, love 4G when it's working, and think the screen is great - best I've ever had in broad daylight. The call quality is outstanding, and the speakerphone is very good. The browser is great - what a luxury to be on my phone and able to load the full version of every site I want to go to. And will also make use of the 4G hotspot feature when I go on vacation to Disney for a week - where they would otherwise charge me $10/day for internet access.
Wait, hold on. I think I just talked myself into keeping the Bionic. The iPhone isn't gonna be 4G, is it?