I downloaded Foobar 2000 once, but quickly reverted to Winamp after I got confused and smoke started to come from my ears. If only I'd had this guide...
TechSpot's guide will take you through all available options in Foobar, which should ease the way for those of you wanting to give it a try. It also gives a detailed explanation on the more advanced options and recommendations after using several different consumer-level PC soundcards.
[Techspot]