Or have kids that have done it?
The school sent home a flyer for it (and unlike so much I get from the school, it's completely grammatically correct and properly spelled), and it sounded interesting. We've been having problems with Bacon complaining about being bored since school started, and it would be nice to challenge her, but if it's going to be an enormous drain on family time, it might not be worth it.
They warn that it's a weekly commitment, as well as the tournament in April, which doesn't sound bad, but could be an underestimation.