I've got a reasonably decent separates set up in the lounge (Arcam CD, Rega Planar 3 turntable, Audiolab amp, Monitor Audio speakers etc).
I bought a set of Bose speakers that I use in the Dining room, driven by the above on 'channel B'. They sound great.
On the strength of them, I bought a Bose sound dock thingy for the ipod and shoved it in the kitchen. It also sounds great.
However, neither the dining room or the kitchen are used as locations for specific audiophile enjoyment; the music in there is purely background. As such, I find my Bose kit to be more than adequate.
Horses for courses.