Someone come up with an APP, that lets me plug my phone into my computer via it's USB cable and then let me have access to the device with my mouse and keyboard as input devices and the screen output directed at a window on my screen.
Here's the problem I see - the docking system that needs to be standardized. The ARM Mali T658 GPU promises PS3 quality... and there are better chips (Tegra 4, Adreno, etc.) on the way. The Atrix leverages the HDMI+microusb because of the way it designed them to fit into the slots into its dock.
Theoretically, you could use the Adreno dock with other phones, but they dont have the ports placed in the same way (to lock into the dock).
I think with Google's philosophy of open-ness, it is too much to expect the creation of a new dock standard. I'm not sure if HDMI (or the displayport equivalents) can carry serialized mouse signals in addition to display... but somehow the ports need to be standardized before we have a hope of leveraging hardware that will be equipped to play Crysis by 2012.
And that will be a shame - all that power and unable to use it. Almost as frustrating Skype not using most Android phones' front camera towards video calls for a long time.
Steve jobs also talked about this in a round table at an WWDC where he talked about having access to "home" anywhere you went. this became iCloud. probably for apple the step holding up the process is that it cuts out the beloved Mac in the middle. a thunderbolt display powered by iphone or iPad could be insanely great
Here's another option -- http://code.google.com/p/androidscreencast/ -- I'm not sure how it works. It claims to show the display when non-elevated, but require root send input.