I’ve written some articles for the Color Computer Wiki:
http://www.cocopedia.com/wiki/index.php/User:Tlindner

I also keep tabs on some Wikipedia articles:
http://en.wikipedia.org/wiki/OS-9
http://en.wikipedia.org/wiki/TRS-80_Color_Computer
http://en.wikipedia.org/wiki/Motorola_6809
http://en.wikipedia.org/wiki/Hitachi_6309
http://en.wikipedia.org/wiki/The_Rainbow_(magazine)