actually remember reading this same wiki a couple of years back... but the links came up dead (on actual same usability compared to WinAmp)...
I sometimes play music on-line, and NOTHING yet has compared to it :(
Closest I have gotten is an app/music player called Clementine, but it skips a lot :p
I use Audacious.
If you’re using Fedora or RHEL or something based off of it, try http://atrpms.net/.