Whats the word on Jeff Rowland pre-amps?

The Synergy IIi is a very fine preamp and would obviously work well with the Rowland amps.

I believe that most solid-state preamps don't sound stage as well and lack the musical timbre of tube preamps. The Synergy IIi is a rare exception. I own the Coherence II, which is the best preamp Rowland ever made, and it smokes the three tube preamps (CAT, Hovland and Jadis) I ran before it. The Synergy IIi is quite close to the Coherence II in performance.

I know nothing about the newer, cheaper Rowland preamps.

As for amps, you may want to consider some of the older Rowland amps on the used market (Model 6 monos or 8ti stereo). They are incredibly well built and I believe superior to the new budget / home theater-oriented amps (201, 501) that Rowland now sells.

Raquel, what is your opinion instead about the current JRDG top-of-the-line amps: 302 stereo and 301 monos?
I currently own a pair of Rowland 7M monos and thinking about upgrading. I did hear the 201 pair. They sounded graceful but lacked depth and ran out of steam driving Maggies 3.6 speakers.

I have not yet heard the 300 Series amps, but my guess is that they are supurb in the right systems. I am going to try to demo a 302 in my second system, which is currently amp-less (the last amps were Model 6's with batteries, which were incredible).