This is what I had thought about. If you don't care that the API is published/sorta-standard, it's not a big deal to deploy a lightweight pass-thru app to AppE

This is what I had thought about. If you don't care that the API is published/sorta-standard, it's not a big deal to deploy a lightweight pass-thru app to AppEngine. The pricing model is what will be most interesting about the announcement.