Paul -B (and BB if I've not said already)...both, also welcome to the forum!
Paul - the interior of the car you've gone for looks lovely...so many people go for black, black, black which means it can be hard finding something different unless you buy new and spec it yourself (particularly with German cars actuallY). In my experience you'll get such positive reactions to this interior as whilst most people shy away from actually spec'ing something with a bit of colour, they nearly always end up loving it!
I'm surprised that a main dealer would have a car in the condition you explained...I can't understand people who spend £100k+ on a car fro new and don't put any effort into looking after it...crazy!
Good to see you're having the wheels changed as it does currently have the 'wrong' wheels (for a GT-S)...the Neptunes are much better! Then again, who am I to talk...this time next week my car will also have the wrong wheels for a GT-S as my current ones have sold and my new MC Stradale wheels should be here next weekend. Wrong they may be but they're an inch wider (for better stance and the sole reason I'm buying them!), a few grams lighter and are from the next model 'up' in the range
.....ahhh heck, who am I trying to convince - I just hope I like them!