Plinius 250/Pass x-350/Gamut D200/Other ?

I was considering all the amps you mentioned(among many others- cello duet, rowland 8Ti, accuphase P series, Parasound JC-1, Clayton Audio S2000) and in the end I ended up with a BAT VK-500, it seemed to mate up the best with my speakers(maggies)- the only one I am still VERY interested in is the JC-1 seeing as they are suppose to be AMAZING and retail for 6k, I couldn't arrange for them to make it into my system, maybe they will be next years upgrade :o) But out of your choices I would go Pass-plinius-gamut, the gamut probably doesn't have enough juice to drive your speakers well, and the plinius can be a little lean with some systems, but so can the pass- which is why I choice the more laid back sound of the BAT. Bottom line is you gotta get them to your ears to make a decision

I don't know if the JC-1s are amazing, but they are the best we could do in a machine made very powerful amplifier....I have been circulating a demo set to our Blowtorch preamp customers and their friends and everyone has liked them and several have purchased sets....They break in nasty for those that try a new set and take a good thirty days to sing, but I voiced them for complete break-in....The amps are very unusual for a machine made unit as the parts quality is the best available....

Check out the Polyfusion 960. We continue to be impressed by the sound that is produced out of the 1.6's. I have had some pretty impressive tube amps driving these and I am not at all looking around the next corner at what is next. And that is saying alot since I have had over 20 amps that I have bought in the last 12 years. They are not well known but, check them out. You will be glad that you did. Just hit the Polyfusion web site.