Guys, there will never be a better amp made, pound for pound, than the FPBcx series - 300, 400, and 600 WPC. There ARE some that occasionally hit the used market, though agreed considerably less often than even 3-5 years back. I nearly pulled the trigger on a 400cx within the past 6 months and chickened out - ONLY because of the "risk factor" of dealing with costly repairs that I presume WILL eventually be needed. I've been very lucky, knock wood, as a proud owner of a 300 FPB cx since 2001, and couldn't be happier.
Anyway, I also noticed a 600 FPBcx on the market within the last 6 years. Several in Europe as well but not practical. I love my Krell, and while I've considered jumping into some new power amp, I've decided it's just not sensible to move from known greatness to "who knows?" I'm holding onto it until it needs service. If and when that day comes I'll move to something else.
Anyway, I also noticed a 600 FPBcx on the market within the last 6 years. Several in Europe as well but not practical. I love my Krell, and while I've considered jumping into some new power amp, I've decided it's just not sensible to move from known greatness to "who knows?" I'm holding onto it until it needs service. If and when that day comes I'll move to something else.