While I love the hand drawn artowrk and wish for more of it as well, I also think there's a place for the Photo-type stuff. If you're doing a pin based off a movie, then yeah, I want to see actual images from that film. For example, Tron: Legacy. I don't think I'd like that nearly as much if it had a hand drawn representation of Quorra and Gem. I want the real high-res thing dammit!
On the other hand, I agree that hand drawn art on a non-movie property is fantastic. Titles like TOM and TOTAN are no-brainers for their aesthetic beauty. Heck, even look at early Sterns like Ripley's or Monopoly. Those look great as well.
I personally like both!
Later,
EV