You could always contact Morgan directly with your questions as they would be able to tell you exactly if certain things were possible and around how much each option you specified would cost. The people at Morgan are extremely friendly and always willing to help in any way they can.
http://www.morgan3wheeler.co.uk/contact.htmlOne thing that I have heard is that they are punching out sport models first before they start diving into bespoke so that they can start filling orders faster. This I however can confirm, just something I have heard over time.