Not entirely surprised, but also very happy for this. These subchannels are definitely the best side effect of the move to digital. At least for now. In 10 years, they may just end up like today's oversaturated cable nets.
GSN wouldn't have a lot of classics left to air if they lose GT, but it seems like a block of PYL, $ale, Pyramid, and a couple of others would probably remain at least for now. Could always plug in some classic Newlywed game 7 times per day.
Also, is this being programmed as a 24/7 operation?