Those are bound together, I'm afraid. In irruption of Yahtzee would be a bit jarring if one had expected Diplomacy.In effect, how differently does 3e play compared to its ancestors? I'm not talking about the dice and pieces used to aid but the actual "role-playing game" part of the deal.
The Warhammer FRP apparatus previously involved mainly the GM setting a % chance of an outcome, resolved by rolling a couple of decimal dice. That's about as straightforward and intrinsically uninteresting as a hammer or saw, and for just the same reason.