bitcoin.org server

You did some research when choosing hosting, this was a well chosen one, right? It seems like it would be a tremendous hassle to change, and we've had good luck with this one. Cheaper will usually have some offsetting drawback in quality. I wonder if that extra memory is just disk cache or something. I take it you haven't received anything from that donor yet? He seemed pretty certain he was going to send it, maybe more. (if you get anything, we need to keep private for him the fact that we got a donation)