Go ahead and find the link, but given that I'm Ritual's QA Manager, I'd hope I would have found out at least a small something about the price.
As for the 3-4 month goal, that is definitely the goal. We've got a massive code merge with all of the Source engine updates from Valve since we branched off coming shortly after release of Episode 1, but that won't stop the rest of the team from working on Episode 2.