Joseph Mallozzi has confirmed the news on his blog
(his confirmation came in post #49).
The general consensus seems to be that MGM in fact pulled the plug so they can focus on DVD movies, and of course Stargate Universe. I was actually pretty much expecting this to happen ever since they said that they wouldn't launch SGU until after
Those motherfuckers. I'm starting to get really pissed off right about now.
It wasn't the best show, and it was inferior in just about every way to a lot of other shows, but I loved
it. Even when everyone trashed it, I stood by it, just like with Enterprise.