Nelson Pass' DIY website has a series of articles about his Zen SS SE amp. Looks to be a very simple build.Start on his Legacy Projects page where you'll find articles on the original Zen, Zen Revisited, Son of Zen, etc.
http://www.passdiy.com/legacy.htm
His amps page has articles on Zen Variations Parts 1 to 6.
http://www.passdiy.com/amps.htm
Not sure what your building experience is like. But if you've already built a couple of kits with point-to-point wiring, these projects should be pretty simple. I usually find the hardest part is chassis prep.
Gar.