Works great, keeps getting better, and it's useful for all kinds of stuff: Vid/aud playback, flashsites/Hulu, etc.
If you are using a keyboard, (the Sony Bluetooth KB works great btw) you have be sure that any encrypted keystroke program that you are running on the host computer is turned off.
For a bit of fun, try using Splashtop with WiFi File Transfer Pro. You can do direct PC file transfers from the Splashtop>WiFI File Transfer GUI to your S1.
Lots of fun things to be done with Splashtop, absolutely a must have.