We just launched the new Go Play NW web site, and it does look pretty nice if I do say so myself.
Go Play NW is about as dense as fun gets. Last year I played Microscope with a ton of people (which was awesome) and got to try my first jeepform game.
The only downside is that it only happens once a year (except in 2008, when we were so excited we got together for a reunion con a few weeks later). So, y’know, one more reason why it would be unwise to miss it.