This is a cheaper alternative that I myself have been considering, done a fair bit of forum research on it too, seems very good.
http://www.amazon.co.uk/Logitech-Dri...0764&sr =1-29
The difference is no clutch peddle and a sequential gearbox rather than a shift stick.
I am tempted as I love my racing games, plus it also works with a PC with GTR2 for example (driver required).