I don't have many gold cards myself, and that's a huge regret from me. I absolutely think you're better off with golds because they are more rare, they earn you more DEC from battles, they earn you more collection power, the open up more tournaments and more brawls and demand for them is stronger.
I'm still shocked that CL prices haven't plummeted as more and more packs get purchased. I guess everyone is waiting for the edition to sell out before opening all their packs and selling off their doubles.
RE: Up To 417K Collection Power + New Acquisition Goals