I've been listening to PT like a lunatic for 5 years and only now I realized how awesome this track is.
But it's better this way. Discovering them little by little. This way I'll always have something new to dig in.
"Wilson believes that the track "Buying New Soul", which was later only released on the b-side compilation Recordings and the 2008 reissue of the album, probably would have been included on the original release of the album had it been written and completed a few months earlier." The Wiki says.