Carbon propshafts

Just wondered if anyone knew about carbon fibre propshafts,

I've been told they have the following benefits?

• Reduced rotational inertia:
Driveline system response improved

• Improved torque transfer:
The inherent damping properties of composite materials provides smoother transition of power during high load scenarios such as take off. This reduces the wear in the transmission components and minimises the shock loadings into the gearbox/diff.

• Reduction in driveline parts count:
2 piece standard propshaft can be replaced with a single piece composite system thus eliminating the need for centre bearings and joints, minimising frictional losses.

• Corrosion resistance:
Carbon fibre is not susceptible to the same corrosion that would affect a steel shaft. Metallic parts are limited to joints at either end.

• Crash Safety:
In the unlikely event of failure, the carbon will break up reducing the possibility of further damage to the car/driver.

Apparently there currently available for Mitsubishi Evos, Subaru Imprezas, Nissan Skyline, Honda S2000 and Caterhams. Shafts are being developed for the Nissan 350Z, Nissan 200SX and Mazda RX7

A company called www.CTGltd.co.uk in the UK manufacture them anyone have any feed back?

Thanks