DC Converter can be found on ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll...&rd=1&tc=photo
I have a pushbutton wired in parallel to the pulse leads coming from the ITPS. This allows me to remotely restart my PC. I also have a hardwired cutoff switch wired in series that stops the screen and PC from getting power for the times when I dont want the PC to start.