I am in Paraguay, stuck on a crappy 512KB wireless connection, having 250+ ping most of the time... so any improvement would be very welcome.
But AFAIK lots of providers down here route all their traffic via forced proxies/gateways in the US, incl. mine, so a SA server won't help much...
Anyways: worth a try, my teammates would probably suffer a lot less... ;-)
P.S.: where are you other SA folks from?