Of the trio, the Seat is the best value for money and most reliable. Why don't Skoda do a version?
Ah, because VW shot itself in the foot allowing Skoda to do the Superb, based on the (canned) Passat Plus. Oh, and the same reason why they will not allow Skoda to make an estate version of the Superb. Something to do with it *rinating all over the VW. Well, they do anyway. Considering Skoda are VAG's "budget" brand, they're doing a fantastic job of showing VW and even Audi up..
Like What Car? says, "Badge snobs need not apply."