I just loaded it up in Eclipse and tinkered around in it in a bit. Pardon the weird res and being stuck in portrait mode, I didn't Google how to change to landscape until I had taken the screen caps. Using 1280x720 so the screen fits on my laptop's screen. Performance was naturally sluggish, I should really try running it on my desktop, this Core 2 Duo doesn't emulate ARM very well
Home screen, I added the widget from the next screen
You can setup all of your widgets and shortcuts on all of your home screens without all the hassle that Android currently has, they've simplified the process and made it a LOT more elegant.
The Settings app is extremely clean now, I really like what they've done.
And the browser is just damned sexy. Seriously love how it looks.
Overall, I'm really excited to try a Honeycomb tablet, this preview just reinforced that.