Originally Posted by
acidfast7
1. 25 years ago they were on high-end bikes. Old technology. Not necessarily good anymore. Do you use LaserDisc?
2. Actually, it's totally my market ... my BSO test is to see how the other half lives

Old, sure. But also proven and time tested. It does not automatically follow that something which is old is no longer good. Do you buy the newest carbon fiber saddle as soon as it comes out?