After witnessing that beating. Who is in the same league as Silva? I mean the guy fought 90% of the fight with his hands at his sides, toying with him. There isn't a 185/205 pounder that can match up athletically, or technically (maybe Machida, but I'm still not sold on him) I don't think GSP wants any part of a GSP/Silva fight at catchweight.
Although I always wanted to see a Silva / GSP fight, I'm not to excited about it anymore. Silva is just to big, I'm guessing he naturally walks around at 205. Just to much size difference, and plus GSP's stand up isn't anywhere close to Silva's, IMO.