nigel cross
MB Enthusiast
If you have a TomTom there is a free update, I have downloaded it and it a vast improvement on colour contrast and also on upate info on screen
http://www.tomtom.com/support/solution.php?GID=1&PID=181&SID=0&CID=215&Language=1&FID=1750
http://www.tomtom.com/support/solution.php?GID=1&PID=181&SID=0&CID=215&Language=1&FID=1750