Android 3.0 tablets are going to be fascinating. I played with the Galaxy Tab for about a half hour this week and while the thing feels MUCH better than the OS feels on a phone, I still can't get over the fact that with every swipe it just seems like developers vomited UI elements on screen and put it in the box to ship. Android 3.0 seems a step to rectifying that.
The bigger challenge for the next wave of tablets will be the hardware manufacturers, who seem hell bent on destroying the user experience with cheap skins on top of what amounts to otherwise interesting devices. This is the dark side of open-ness in the Android landscape.