Thanks, Guys! Garth, I had already found and read your excellent primer. Thanks!

So I've started to learn KiCAD, and despite a bit of confusion on my part, I seem to be making some headway.

However, I've had to make my own library of 6502 components. This isn't too bad (there's a great web site at http://kicad.rohrbacher.net/quicklib.php to help).

Still, since I'm a newbie at ...

I've been wanting to build a 6502 computer for 20 years, having used a Sym 1 for my senior engineering project back in the dark ages (I went to college with Fred Flinstone).

I'd like to design my system from scratch, but since I'm terrible at clerical things, I defintely need to use a CAD system to ...