Questions on switching to tube amplification

I posted a similar message on The Asylum. My system currently has a Modulus 3a tube preamp, a Raysonic cd 168 tube cd player, Classe 15 solid state amp, Vandersteen 2ce speakers, speaker cables and interconnects are all MIT Terminator 2. I long for that lush tube sound with non fatigueing highs. I listen to about 60% Rock, 25% Jazz and 10% classical. I have an extensive music collection of cd, vinyl, and lossless digital via my laptop.

I am looking to buy something used between 1,500 and 2,000.00 max. I am not interested in modified amps other than different brand of tubes. I am looking for recommendations and why. I look forward to your help.

stereo5