Or use "WPDH2" as a promo code and get some additional storage and bandwidth (http://www.dreamhost.com/wordpress.html)

I've been using Dreamhost for a while now (to host my blog) and it has been pretty much okay but I wouldn't host any critical stuff on it.

WebFaction (http://www.webfaction.com) and Slicehost (http://www.slicehost.com) are pretty popular lately (although not _that_ cheap). I would probably go with webfaction for a django app.