It was actually a few annoyances with MPD that led me to create Dhun. This was a while ago so things might a have changed. But my main grievances were:

* Installation on OS X wasnt very straightforward. I think the MacPorts version was broken and I had to do some stuff manually to get it to install

* Some of my ID3 tags and MP3 files were not recognised properly, even though they worked fine on iTunes.