Originally Posted by PitViper
I'm sure I'm in the minority, but I've never been a big fan of sketch card puzzles. The occasional 2-card puzzle is cool (especially if you have to hunt down the cards!), but anything more than that is silly. The borderes/logos always take away from the art (and bug the hell out of me in some cases), and if I wanted something larger, I would just commission a piece, or collect comic cover sketches.
Speaking of sketch covers, we'll be doing something like that at NYCC. Stay tuned...