I have to plug my roommate's startup here because it's not too often "jellyfish" are on HN.

Jellyfish Art (http://www.jellyfishart.com) makes custom jellyfish aquariums. Keeping jellyfish alive in captivity is actually a hard problem that has only recently been solved.

I will definitely try to get my roommate to post his story on here. Though it's not hacker related at all, it's a pretty fascinating startup and probably a good break from reading about all things web 2.0.