And the real problem is the non-uniformity of the load. If your 10M/mo request start concentrating around weekends, you've got a problem... Except you haven't,

And the real problem is the non-uniformity of the load. If your 10M/mo request start concentrating around weekends, you've got a problem... Except you haven't, as your infrastructure is elastic, and this is the real bonus. Also, I'd be very afraid to get accidentally hit by HN traffic if I'd host my own server.