That surge is already on. I had a yard sale and sold a lot POTF stuff easily for more than I would have expected.Time to sell. I'm toying with the idea myself. I have a lot of old Sideshow OT/PT that just don't hold up on the shelf anymore and I'd prefer to put that money towards stuff that will.
Down side is, not sure there's even a market for old Sideshow OT/PT. On the up side, since there's hardly anything PT being made (other than Maul), maybe those figures will get a better price during the surge of STAR WARS interest coming this Christmas. Might be a good time to unload.