One of the s2ki guys 'lower' made a load a few years ago on a group buy.
Seems odd to comment your skeptical after buying one, fitting it but not trying it. You not going to know its effect if you wait for everything else. It's almost like you don't believe memy workmate was amazed at the difference his made. You can see the bulkhead flex when you press the pedal without one !
Just make sure it's got a complete history and hold out for the absolute best example you can as they're not a particularly rare car.
It would be a good idea to try the auto out as it's not a conventional slush box and you may or may not get on with it.
Thanks for the advice - yes will have to test drive it for sure - i feel that bluetooth is a must - is the EX level trim the one to go for? what is the sat nav like?