Shiny Demos, new HTML5 showcase by Opera
shinydemos.com
shinydemos.com
I wish they would explain what parts of each demo is HTML5 and how it works.
The goal is to get something decent on all browsers--and we'll open the repo on github for those who want to help us get there.
For instance, you could log what key was pressed with its own mouse event, then detect a generic mouse release event not tied to the key, look up the log that recorded what key was pressed, and then react accordingly to that. I wouldn't think it would be the best method for a multi-touch device though.
Of the ones that work: Cool