Well, only you can determine which will be better for your Tyler D1's.
I agree with RW that the Mac will hold it's value better, and be easier to find. That being said, I'd go with the Clayton M-300's. Wilson Shen's amps are something special, almost tube-like in sound. I think Wilson Shen and Stan Klyne are two solid state designers whose equipment a tube fan like myself could live with.