All in all, I had to chance to meet Ryan@Syvecs and Jez@Horsham today, I'm going to get the Syvecs S8, amazing functionality and features.
http://www.syvecs.co.uk/products/s8
This is it what it does on the 350z:
http://www.syvecs.co.uk/products/s350z
We've done lots of data logging today and were amazed of the similarities with the R35 GT-R. Everything should work fine, including cruise control, which was an issue until last year.
Some pics from today: