From the page it sure sounds like they are just targeting internal apps for now. They made a specific note about customer facing websites: "You will also use A

From the page it sure sounds like they are just targeting internal apps for now. They made a specific note about customer facing websites: "You will also use App Engine for Business to run publicly accessible apps, such as your company's website or service. We’re still working out the details on pricing for that, so stay tuned." So stay tuned!