The VC and Wiiware games that are eligible seem to be based on a very specific cutoff date, which happens to be between two of the Strong Bad episodes.
Also, I think you're probably right that the survey will show up 4 to 6 weeks after the club officially opened, since that's probably when the internal system "registered" the game for you.
"I think it's the idea that counts, not the actual method. As long as you set out to cause a horrible death through insects eating the person, you're good." - apenpaap