I'm very impressed with my Harman Kardon Soundsticks II setup. For quite some time, I was using it as my primary iPod setup and while I loved it, I chose to pair it with my computer, as I spend more time working in my office than I do sitting in my living room.
It was a Costco special...$89. I doubt you'll find any more of them at Costco, but you might do a quick check.