Adding one more (an uncatalogued playing card set) to the mix:
I like most of the strip sets where the players look like themselves. There are a few that are just butt-ugly, like W512. They were (are?) a great alternative if you want a career-issued card of a player whose mainstream cards are unaffordable. Some look pretty good, I think:
As for the Universal Surprise Box card:
I am on the fence as to whether they are strip cards. The stock seems a little thick for that.
Strips aren't even the most 'card adjacent' things you can collect:
Anyone got any signed strip cards to show? I have one: