Interesting site, although primarily for Coleco and the Coleco ADAM computer some CPM is also covered in the various articles.
Short PCW 8256 review is here:
http://www.sacnews.net/adamcomputer/15.html#ECN15-13 (http://www.sacnews.net/adamcomputer/15.html#ECN15-13)
Nice!
Even if the author keeps writing WPC... ;D