Personally, I don't like the look of the gold ones and would much prefer the regular series.
Here's a list of the pins identified thus far....
Characters in director chairs Series: Chip n Dale, Daisy Duck, Donald Duck, Goofy, Jiminy Cricket, Mickey Mouse, Minnie Mouse, Pinocchio, Pluto, Stitch.
Finding Nemo Series: Dory, Gill, Nemo, Peach, Squirt.
Nightmare Before Christmas Series: Jack, Sally, Zero
Peter Pan Series: Lost Boys, Peter Pan, Tinker Bell, Wendy.
Toy Story Series: Bo Peep, Bulls Eye, Buzz Lightyear, Hamm, Jessie, Rex, Woody.
Up Series: Alpha, Beta, Carl, Charles Munz, Dug, Gamma, Russell.
Villians Series: Captain Hook, Chernabog, Cruella, Hades, Jafar, Lady Tremaine, Maleficent, Old Hag, Queen of Hearts, Ursulla.
Wall-E Series: Axiom, Captain, Eve, Mo, Wall-E.
and one unknown. UPDATE: The unknown pin turns out to be Gill from Finding Nemo.
The cost of a mystery pouch is $13.95 at Disney. The 13 pins that have sold on ebay so far range from 16.95 to 60.00 and all have been Buy It Now for 1 pin. The $60 pin was a gold chaser Chip n Dale. Please don't shoot the messenger. I don't buy em or sell em. I'm just sharing the info.