[LAU] OT: online music sales sites

There appears to be one online music sales site for every musician out there. Well, maybe not quite that extreme. But, as has always been the case, the money isn't in being a musician, it's in selling the tools to musicians (instruments, software, t-shirt printing, etc., and now online music sales services). I suppose it's always been this way, dating back to the explosion of people selling HTML editors to aspiring web designers (and network equipment to aspiring ISP's) in the 1990's, to the people selling shovels to the gold miners in California in 1849. I've looked into Magnatune and iThinkMusic, and I've got some stuff on MusicSupervisor. My drummer put one of our band's tracks on SnoCap (we sold exactly zero). Somewhere I have a VIRB.com account, which I wasn't able to use much because its posting system requires Flash (which doesn't work on my 64-bit Linux machine). Someone on another list pointed me to Nimbit.com, which looks pretty good so far. Is anyone having any success with any of these sites for making any money selling tracks? -ken