Recently installed Gmote, and its awesome. It lets you use your Droid as a touchscreen mouse for your computer, and you can control music and other programs right from your droid. It runs off the Wifi in your house, so it should work anywhere in your house. The mouse aspect of it is amazingly responsive and smooth. There is no lag between the Droid and the computer. It works as good if not better than most laptop touchpads I've used. Definitely recommend this app.