I've got two of the same compaq laptops on eBay. Both have some problems, but if you can fix a computer these would be great for the shop or to hook up to a cnc. If there are any questions let me know.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=44907&item=3452458794
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=44907&item=3452458794