It would be hard to let go of the Epcot area since the main reason for the trip is F&G, but I just like GF so much better that it's tough to be objective, and that's knowing that GF and CR have atrocious access to Epcot.
As pointed out, the vague Jan-May renovation info for YC rooms is also nerve-wracking.
Aside from the gorgeous rooms at GF, that huge, huge club - all that glorious space - blows the other lounge spaces out of the water, IMO, except maybe Tower Club. I would book GF, keep checking back for resort view CL to knock a coupla bucks off/inconvenience of 2nd floor off if you wish, and just plan to rideshare to Epcot if you are trying to do anything in the morning, like EE.