Older higher end or newer mid-fi...better bargain?

Definitely older (out of flavour) high end generally speaking.

In my opinion a good amp is a good amp regardless of when it was made, same with preamps etc, they may need a service, such as recapping Naim etc, but it is all on how it sounds.

Old amps, preamps, turntables, phono sections, tuners...
newer CD, D/A, Speakers, cables.
IMO.

Thanks for the responses: I have to admit, I was pre-disposed to the older, higher end pieces to be had here on A-Gon. Suggestions would be greatly appreciated in the $1500 range for pre/power. I am very taken so far with the musical unambiguity of the NAIM gear that I've heard. Anything similar out there that I should consider? Thanks.

My pick would be around your asking $$ I would go with a Threshold S/300 amp and a Audio Research sp6 or sp8. These two in good condition together could be pretty close to you budget ....Had them both and worked very,very well.