He posts as RAD on the MST3Kinfo forum.
Here's the thread where he broke the news in the first place: (Dated October 30). As far as I know, this is the first mention of the project on the internet, except for cinematictitanic.com itself.
http://forrestcrow.proboards47.com/index.cgi?board=deep&action=display&thread=1193760420
And here's the thread where he had to take the HS theory out back and put it down:
http://forrestcrow.proboards47.com/index.cgi?board=deep&action=display&thread=1194406654
I would've loved if it were the Holiday Special myself.
Since it's going to be announced on starwars.com I can't see how it would be something totally non-Star Wars related. We'll have to wait and see I guess.
Just so you know, I'm a long-time lurker, but more active in MST3K/RiffTrax and all that.
(Post edited to hyperlinkize the URLs for your convenience)