Animated GIFs are pretty great. I wrote an essay about them here, which details some of the reasons I think it’s so swell that more and more of these kinds of blogs/tumblrs/etc are cropping up.
My illustrator buddy Jimmy (his latest, above) started one that aims to do one animation per week, and lulinternet got some attention on VICE yesterday for these neat photo/sprite GIF hybrids.
A few other places you should be looking:
