Dan,
Interesting idea. Was speaking to my dealer the other day. At the moment they only have space for 5 Chrysler cars in the showroom (their franchise does Jags, Saab, MG and Chrysler), so DC won't let them sell Dodge. They will be expanding the showroom to 7 cars soon so they CAN sell Dodge. Am quite tempted to wait for a Viper (I will be meeting the UK Viper club over the weekend so I can find out what the car is like on UK roads).
The performance of the SRT-8 is amazing and I wish the XF had the same performance. Just a shame I don't like the shape of the 8. Now if they had styled it on a 4-seater XF; that would be the business.....