Ok, So I was convinced I was going to buy the stainless steel Apple Watch, Although after the pricing was announced I was a bit disheartened. I was looking at the Sport edition but was not 100% if I would be able to buy the Sport edition and then buy a smarter strap as the site doesn't clarify this. I have since then spoken to Apple Via their Chat facility and have been assured that if you purchase the sports edition then all the other straps are compatible! This means that you can pick up a Sports edition and a classic buckle strap for under £500! I have attached the confirmation from the Apple chat. Since this is the case I am not sure how many people will be buying the mid range model.