http://radartest.com/article.asp?articleid=9090
But the 8500 X50 is $300 for the regular one with the red display, thats the noly difference, $40 extra for the blue display. I have the red one in my dak, and blue one in my SRT.
Although, im looking at getting the SRX right from escort soon
http://radartest.com/article.asp?articleID=1048