Hard call....would depend on the games. For me Transformers LE is WAY better than the pro but Tron (except for wow factor), ACDC, Avatar and others i find the Pros just as good.

But i feel i will be more of a quality over quantity pinball collector as i can't see me ever having more than 2-5 pinballs at any one time so i will go with the 2 LE's