Thanks! We collected the car today, are are both really happy with it - I might have trouble making sure my wife doesn't drive it all the time
The seats are really comfy (I specced electric/memory seats, plus lumbar support for extra support on any long journeys). I've tested my new charger, and everything's grand - I just need about a week to configure all the options and screens the way I want them, like each time you get a new phone.
The Portimao Z4 looked really good in the showroom - I would normally prefer red calipers, but with the red paint I decided to go with the blue for a contrast, and think they work well; the red calipers will look great on your blue car.
The order number is the 7 digit number, and the live chat will be able to give you the status code from it; they might ask you some confirmation details, e.g. what colour is the car, but I assume that's just to make sure it's really your order. I ended up pestering them every few days to track the progress - they're helpful, but expect to get a lot of comments from them like "that's a lovely colour, you must be so pleased" - I'm still not sure if it's a bot or real people answering!