Had you down as someone who would have a massive one :eek:
IMO the chav factor comes into force when you would just purchase the biggest one you can, not worrying on the quality etc.
Its very relevant, especially on pizza. Cost per inch is really the key measure. Square pizzas are much easier to work with. It gives me great pleasure that in Asda they break down costs of things into cost per unit so you know what is the most cost effective size of something to buy