Does anyone here use Audible.com?

I have a chance to get a promotion subscription. I checked their site and they seem to have a fantastic selection.

I did some googling to see what people were saying about it - like most things in life, seems that people either love it or hated it. Some of the negative feedback that I saw sounded like ranting, and some where related to things I'd never be interested in, like trying to cut CDs. I'm only interested in listening to books/radio shows/etc. on my MP3 player, nothing more.

Thanks,
Kevin