Hey dsawler, Pixelapse works with Fireworks and Illustrator as well & we're looking to add new formats. Is there a format in particular you'd like to see?
Re: the app error. We underestimated the load on the site. :) We just scaled up so if you refresh and try again, you should be able to sign up.
When I click for an invitation, I get an Application Error (An error occurred in the application and your page could not be served. Please try again in a few moments.
If you are the application owner, check your logs for details.)