No not at all!! I've had mine started for at least a month!
The one snack I ALWAYS get is the cream cheese filled pretzel! I eat one like everyday we are there!
Here's my MUST TRY SNACK LIST!
Epcot
-Caramel corn (Germany)
-Chocolate cookie filled & drizzled with caramel!(Germany)
-Chocolate Eclair
Magic Kingdom
-Dole whip float(I have to be the only person who has not tried one of these already!)
Animal Kingdom
-Cinnamon glazed almonds(Harambe popcorn snack place)
Animal Kingdom Lodge
-Zebra domes
Hollywood Studios
-Butterfinger cupcake (Starring Rolls Cafe)
-Red Velvet cupcake (Starring Rolls Cafe)
-Red Velvet Cheesecake cupcake (Starring Rolls)
Boardwalk Bakery
-Chocolate Cappuccino Cupcake
Chocolate Peppermint Cupcake with Candy Cane Sprinkles (this one is seasonal... so not sure if it will even be available??)
Also on my list of things to try
-Grey Goose Slushie in Epcot
Here is a list of "Disney World Margarita Gallery" I WILL be trying several of these!!

http://www.disneyfoodblog.com/2011/06/21/disney-world-margarita-gallery/