I work at Google on the Google App Engine team. Feel free to send me an e-mail - zafir at google.com. I'd love to hear from developers about your experience with App Engine.
Hi all, I'm Zafir from the App Engine team. We're trying to resolve these issues as quickly as possible. For updates, you can follow @app_engine on Twitter or the thread we are updating on Google Groups: http://goo.gl/wur3v