I would really like to to tweak the price. I.E. get a suggestion what i could get for 50 pounds more. Also I can't figure out how to select "none" for component

I would really like to to tweak the price. I.E. get a suggestion what i could get for 50 pounds more. Also I can't figure out how to select "none" for components. I.e. Most people already have a case.