Best Class A Amp under $2,000 used?

Yes it is good question.  I want one silver in relatively good shape about 4-5 years old.  I'd like about 250 -300 watts.  

@ puffbojie

Do you want an integrated, or a poweramp?
As the Wadia dac has a digital domain volume control so it can go direct into a poweramp.

If power amp, used Parasound Halo A21, "John Curl" design pedigree don’t come much better,usually go for around the $2k.
And it has gain controls on the back so you can set them so to use the Wadia’s volume at close to full, so there’s no chance of "bit stripping"

This ones only $911 at the moment, give it a whirl. and the seller has impeccable feedback.
http://www.ebay.com/itm/Parasound-A-21-2-Channel-Power-Amplifier-Silver-/292094136006?hash=item44022acec6:g:hc0AAOSwSypY~C93

Good review from HiFi News.
http://www.hifinews.co.uk/news/article/parasound-halo-a21-pound;2350/10014

Cheers George

Pass Labs.

Never saw a true class A amp with that much power! They are limited to low power output! BTW, That Parasound is not class A.