Ooh boy, the good stuff is flowing now.
I love the SP of Ty Cobb driving a freakin' car.
Mark Fidrych autograph is a great addition, following up on the unofficial RIP George Kell auto from the 2010 set.
I'm liking these retail exclusive inserts. Here's a "Red Diamond" from Target of Miguel Cabrera. There's also a Cobb and Walmart has "Blue Diamonds":
Topps introduced silk cards a couple years ago, as some sort of quasi-parallel set with 50 cards. This year they are full fledged inserts (still 50 cards, I think) with different pictures and all!
More and more cards will appear in the days ahead, and I'll put a gallery together once I have images of everything. In the meantime, here's the working checklist
It also appears as though my crazy gold foil/silver foil hypothesis was just a trick of the light. Sorry if I got anybody in a tizzy.