I found this website, that has tons of info.
One of the best links I've found yet.
Home:
http://www.desktopcnc.com/index.htm
Hardware (click on Comparison Table):
http://www.desktopcnc.com/hard_pg.htm
Software:
http://www.desktopcnc.com/soft_pg.htm
Information:
http://www.desktopcnc.com/info_pg.htm
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