What else do you you collect/should I grab these if I see them?

[Dewprincess]

I collect Care Bears (need three overseas exclusives:  Surprise Bear, Daydream Bear and Noble Heart Horse), Strawberry Shortcake (need Plum Puddin', Peach Blush and Banana Twirl), and some Rainbow Brite (need Moonglow and some of the small hand-held sprites).  I also look for Herself the Elf (need two of the five dolls with shoes and wands) and Yum Yums (party set).

[Dawn]

I put Polly Pocket, Popples and LPS.

I tend to see quite a lot of Polly Pocket stuff at markets, but I never buy any of it because I don't collect it myself - does anyone know if there are any specific sets that are more expensive/more hard to find? Is there a website for this?