You should really plan on hitting up the Vancouver Sprint-O camp next year (usually it's in February but because of the Olympics in 2010, I think they are pushing it back into March?).
Anyway, it's more than just a bunch of races. You do a lot of sprint-specific exercises and you get a lot of feedback. It's becoming a popular event for the top Canadians and probably some top US runners, too. This is easily my favorite event every year, and since you really enjoy the sprints, I think you'll probably agree.
Yes, I'll have to try and make it up there for that. I wanted to go this year but I couldn't.