I have no evidence to back this up, but I'd assume almost none. Especially for HTML Helpers - its just an extra method call. You could copy and paste the code from the helper into the View and you'd only have accomplished having one less method on the stack.
I generally agree that there is almost no overhead, and that it would be premature optimization to avoid either. However, there are two important exceptions you should be aware of.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.