I also fell in love with Tim's '78 SS. I haven't had any luck getting ahold of him yet, but I'm still trying. Anyhoo, I've been looking into swapping out the stock forks on my '76 CB750, and have looked at a few others...
My buddy is taking the stock forks off of his '03 Suzuki SV650 to get GSXR forks, and I might buy 'm and swap them out with mine. Not too sure about headset issues, but I have access to a pretty sweet machine shop, so we'll see.
CBR forks would be fairly simple to swap over. Plus, it's still honda stuff
-chris
p.s. Let me know if anyones reaches Shutters.