Had an auto response from Telogis, but nothing at all from Cobra yet, maybe next week I might hear something..??
I know Maserati used to fit Navtrak (mine has it); not sure if they still offer this on new cars, but as noted there are other systems if anyone is looking to add one. My new RR has Trackstar from TrafficMaster which seems to work very well and is well supported: http://www.trafficmaster.co.uk/content/1/71/why-trackstar.html - only system recommended by JLR and BMW.