Valve should add an option to have either L4D or L4D2's view.
He just added some actual field-of-view override (for the game view not the models) which will probably get this classed as cheating...
I don't see how this gives an unfair advantage over the other players. If anything, third person does and it's not flagged as a cheat. I use it to look around corners without exposing myself and other things all the time.
Because it replaces a .dll, it may be VAC banned.
third person does and it's not flagged as a cheat.
it does not directly replace it it goes in the add-on folder