I don't have one, but lots of V10 folks are raving about the 5Star tuning options. They have a few products from tuners to custom tunes.
Check out:
5 Star Tuning | Custom Dynomemeter Chassis Tuning Products and Services
And this discussion on it:
5 Star Tuning-LiveWire for 3v V10 - Ford Truck Enthusiasts Forums
It sounds like they are great guys to work with. When I've got the budget for one of their LiveWires ($550!) I'm looking to get one.
Ord.
