It's based on Chrome and Chrome is full of plugins, so I imagine this is something that will make its way to tablets. I really want an ad-blocker in the stock browser. (I'm not digging any of the other alternative browsers.)
I mean with the extension on the XOOM browser, I can just replace my laptop with it forever. I am sure there will be apps for VM, SSH, FTP coming to the honeycomb tab very soon.