I've never read "Secret Six," but I've read a lot of praise for the series. It often gets mentioned as a kind of spiritual successor to Ostrander's "Suicide Squad," which gets me very interested. Anyway, I had a chance to pick up virtually the entire run this weekend, and of course my first impulse is to just go ahead and bind it before I read it.
My understanding is that I need the six-issue "Villains United" mini, then the six-issue "Secret Six" mini, then the 36-issue "Secret Six" regular series. I'm also aware that the Blackest Night Suicide Squad issue will need to go in there. What else would be necessary? Are there other crossovers?