Depends on how you encoded your mp3's. If they're 128-160kbps CBR, don't sweat the player, they'll all sound the same. If you used an alt-preset-something or other then you will be able to get your best sound out of foobar. I sometimes run foobar at 32 bit and 96khz which is something those other players can not do. It is not as user friendly because there are literally hundreds of options to tweak. If sound priority is really the most important to you, it's worth learning to use it. There are also a host of plugins out there to change the look and interface of it as well.