I picked up one of these nifty gizmos that send real-time OBD-II data over Bluetooth,

http://cgi.ebay.com/ebaymotors/ws/eB...ht_2979wt_1165

Works great on a Vantage with the "Torque" Android app,

http://www.appbrain.com/app/torque/org.prowl.torque

Just try not look at the display while you're driving (hard to resist though it is)!

 

Wow now we can have an Aston Martin GTR lol. Looks like a cool application.