Tune-ups have completely evolved over the last decade or two, however one thing that hasn't change is how important it is to stay on top of it.
Fuels are always changing and some are better than others. This necessitates the need for periodic maintenance of the air induction and fuel systems. Even with Platinum and Iridium tipped spark plugs, routine replacement is still needed, especially with turbo and supercharged cars.
If you are unsure what needs to be done to your vehicle, just let us know! We can advise based on manufacturer's recommendations and condition of vehicle.