I absolutely love catalogs. It's like shopping, but you don't have to deal with annoying sales people who hover. You don't have to feel weird about browsing for hours and not buying anything and their an awesome place to get ideas for stuff you want to make.
I've gotten a couple of new catalogs recently. I think my favorite is Oriental Trading Company. It's filled with cheap stuff you can buy in bulk. A lot of it is chincy party favor sort of stuff, but man, if you're looking for good theme decorations (Tiki, Halloween, Jungle) it's definitely the place to go. I also got a really great beading catalog. It's got tons of neat beads you can't find just anywhere and other good findings.
And the best thing about catalogs … they're free!! 