I've built a decent amount. nothing too fancy. Some from schematics, some from kits from general guitar gadgets.
also look at
Effects Connection Online Store I haven't bought anything there, but I've heard good things about them.
Some pics of my recent builds
60's fuzz kit from ggg
Matsumin Valve Caster 12au7 starved plate distortion, I should get better pics since I painted it
Tubescreamer clone
Here is the firefly amp I built ax84.com has info
