Heroku for Ruby Apps Google App Engine, Java or Python Windows Azure .net
If you want to maintain the server yourself a VPS is probably the best best Linode/Slicehost
Amazon S3 for static file storage
Heroku for Ruby Apps Google App Engine, Java or Python Windows Azure .net
If you want to maintain the server yourself a VPS is probably the best best Linode/Slicehost
Amazon S3 for static file storage