...is pretty darned good, if you don't ever stray out of the Comptetition forum. It is populated by a bunch of actual racers, who pretty much gang up on anyone who tries to invade with any silliness.
A lot of the people there are actively involved in the new NASA East Coast Honda Challenge which, if I end up staying in the mid-Atlantic region, will be the reason my next car will probably be a Honda instead of something else.
I share the same opinion as Kirk regarding Honda-tech.
You don't want to go to www.civichatchback.com it's full of stuff road racer's don't care about. I race a hatch back and the site is not for RR.
for really neat Honda engine swap stuff http://hybrid.honda-perf.org/index.html
It's not really road racing stuff but I can find some good tech info sometimes.