There is a slight difference between SPFile. Properties and SPFile. Item fields and the first one is much, much slower to call.
Trying to find the "official documented" anything for sharepoint is pretty much undoable. :-D. The online docs suck, you are better of using blog entries etc.
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.