What's the solid state amp to buy $2500?

There is a CODA amplifier 20 on audiogon right now and Reno Hi-Fi (http://www.renohifi.com/PassUsed/PassUsedInStock.htm) currently lists a x250 and offers a 1 year warranty both are within your budget. No Association with either seller.

There is a conrad johnson mf2275 currently listed on audiogon.

Any of these amps would work well with your Herron Phono Stage.

Chuck

How have your tastes shifted? What are you looking to change or improve upon?

You just missed the Herron monos that sold on Audiogon a couple of days ago for $2250, I believe it was. Maybe another pair will come along.

Go a bit higher and, if you can found one, buy a Jeff Rowland Concentra I or II.

I've had one for many years, and have had absolutely no desire to change.

also not sure what you are looking to improve upon from the Joule amps BUT I would think a used set of Herron monos would be in that price range