When I get back to action on Thursday, first plan of attack will be getting bigger servers. We're not in danger of overrunning our current servers, and can easily handle up to about 30GH on the current boxes, but I think a few extra boxes (+1 on each endpoint + Asia) will squeeze out a few extra percent due to reducing load a bit (spread out bandwidth usage, etc). It will also let us do a bit more in terms of splitting our hash power (more servers = more pieces we can point at coins).
Just out of interest, what infrastructure are you currently running?