Yeah, VGMix was more of a community rather than a label. I can't speak for everyone who was active there at the time, but any albums spawned from them were primarily original ones from friendly competition. (And yet the only album I can remember from such an endeavor, for obvious reasons, is Gwilym Logan's "The Meinpenis Zeitgeist"...)
Either way, the closet thing to an album release from VGMix 2 in particular was the Cave Story Remix Project. It had a lot of faces active there at the time, and a lot of the organization happened through a forum thread But it was never hosted on VGMix itself, and k-wix released it independently. You also need to remember that it was 2005, and there weren't as many album-producing VGM communities as they are now, so whether VGMix staff wanted to go through with publishing albums in the first place is anyone's guess.