^"I'd better buy this one or there may not be another one along in my lifetime."
This is why I jumped on a Mclean/Silk Hope when it became available to me (plus it was my size). The only thing really preventing me from getting a Sachs, Colnago, and the like is $$$, not availablity. I lucked out w/ the Silk Hope, getting the chance to buy it + a reasonable price.
__________________
1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"