Interested in developing for HP's upcoming TouchPad? Sure you are -- but to play ball, you're going to need access to webOS version 3.0, which the company has announced will be getting delivered as part of the festivities at its webOS Connect event in London today. Of course, you can't just wander in off the street and get access to it: you'll need to be signed up for the Early Access program, which has been dropping early webOS SDK builds on eager devs for some time. Naturally, we'd prefer a real, actual, physical TouchPad to the mere idea of a TouchPad in emulation coming from the soft glow of our laptop displays