One thing that I noticed in the Fremer review was that the "faults" that he seemed to be finding with the Enterprises appeared to fall into the "tube vs SS" category, and if you filter those types of comments out, he seems to be giving them fairly high praise. But perhaps that's just my read of the article. At any rate, right about the time that his article first came out, I was auditioning power amps, including the Enterprises. Personally, I am very taken with the Theta Digital line of amps, and after listening to a number of amps (no CA-M400, unfortunately), I bought a pair of Enterprises for my CS3.6's (some might say this is overkill for these speakers, but you need to hear the 3.6's with some really good amps to understand why I went this route!), and an Intrepid for my surround system. The qualities of Theta's amps, and the Enterprises in particular, that I really fell for are their imaging and soundstage, definition between instruments, and overall sense of space. On top of this, I find that they are very musical in their presentation of mids, which I found to be very pleasing. FWIW, my "runner-up" to the Enterprises was the Edge NL-10, but after some in-home listening, I slightly prefered Theta to Edge.
Good luck, Tom.
Good luck, Tom.