It depends on your market. If you are "SaaS for the masses" (i.e. you've got 50,000+ customers) then you're right - any customization is limited to "pick a colo

It depends on your market. If you are "SaaS for the masses" (i.e. you've got 50,000+ customers) then you're right - any customization is limited to "pick a color from our predefined palette". But if your customers are Fortune 500 -- they can and will demand special consideration.