PoV is in
So yes, pending some catastrophic failure of the Ludum Dare website, I should be participating in LD22 too.
I typically do (highly portable) Native C++ development, but for a change of pace I’ve decided to try HTML5 Canvas 2D development in JavaScript. The past week (in what little time I’ve had), I’ve been building a small library of JavaScript code. Stuff found in my Native C++ codebase, ported over to JavaScript. You can find the latest snapshot on Google Code:
http://code.google.com/p/gelhtml/
And the demo app looks something like this.
Good luck everyone!

Good luck with html5.
Your demo looks like it could evolve into something like Tempest
http://www.youtube.com/watch?v=vxIquJIRZHU