Found it months ago, it's far better than the new audioscrobbler, because there's far less hassle on Pandora and registering is easy and useful. Although lately I've found that the website is receiving a lot of errors when I type in a request.
Another downside is that frequently, the music you are given is outside of the genre of your artist. Most of its appeal is that it offers titles for the songs it plays, as well as album covers. Much better than online radio.