Now that Second Life has released their client "viewer" code as Open Source (GPLv2), we can hope for all sorts of innovative enhancements to the interface. One that I would love to see would be the use of a MultiTouch interface in the Builder tools. To get some idea of how easy it might be to size, position, and shape Second Life prims using a MultiTouch interface, take a look at the Google Video below...
bob wyman