appengine is free, and you can get a low end VPS for $6-$20/mo from prgmr, slicehost or linode, and you can use even a low end VPS for multiple low-traffic site

appengine is free, and you can get a low end VPS for $6-$20/mo from prgmr, slicehost or linode, and you can use even a low end VPS for multiple low-traffic sites. It does not cost $100/mo for a hobby site.