i got a certain lust for life (arular) wrote in divierto,
pros to ij:
um....it's cool if you're into a site that's small.
cons: it's pretty much dead and there aren't a lot of communities or anything outside of divierto and rp.
pros to lj: -it's big, so it's really easy to always find something do -it has a lot of comm and you can find ones that are interesting to you, where you can interact with people you have stuff in common with, or just for a lot of resources (icons, layouts, music, tv, etc) -it has more options than ij and customizable layout options
cons to lj: -the same thing that can be considered a pro: it's really big. some people feel lost there.
i don't use blogger, but i think it's a really cool place if you do reviews or something and want to get yourself out there with networking.