Google Docs just updated itself (to 1.0.27) with some honeycomb goodness. Check out the screengrabs below.
editing still is very much lacking 
3 panel layout (with some foldering), with preview and lets you SEE sharing options
3 panel layout (with some foldering), with preview and lets you SEE sharing options
portrait layout
basic 2 panel layout
Definitely worth the update if you’re on a tablet. There’s also better video playback [but I’ve never used that option, so I can’t speak to it].
So, if you haven’t installed it already, do so here. If you’ve already installed it, just go update!
Oh, and here’s my shameless plug for more space!
Minus | DropBox | SugarSync