Yeah I thought about that use of Android too, and I think it really is gonna be a good robotics platform. The GPS (or cellular) stuff as well as all the other cool open libraries look very promising.
Actually, I think the guy behind Android, Andy Rubin, has a certain passion about robotics, and that's a good sign. The name's pretty fancy too!
I haven't had that much of a look at the SDK yet, but I'm pretty sure they'll enable the use of bluetooth connection at least (USB I'm not sure), and since it's open source, we'll hopefully get what we need
But I've seen they've just redesigned part of the SDK, and delayed the famous contest deadline to April I think.
Anyway, I'll be happy to have a look at the SDK. Maybe one day we could even make an Android web-controlled SoR robot?
BTW, has the iPhone's bluetooth been hacked or not yet? (I know they've made wired serial communication work though) Cuz with the hacker community, it's getting very hackable. And I'm pretty sure Apple's 'official' SDK won't be that open... I don't have an iPhone, but I'd love to get one... it's not going to be Android capable, but I think that hardware-software integration is more important on a cell phone, and that thing has got cool technology! From multitouch to the integrated accelerometer, it could be another awesome platform for robotics, if only communication was easier to hack...