I really don't mind the looks of the Williams & McLaren. I've been a fan of this sport since the early 60's & have studied all of the formula's design interpretations since then. Departures from the status quo always require a certain period of adjustment. The previous generation of cars were, to my eye, pretty ugly - especially the last duck-billed modifications. At least the front of these cars is beginning to resemble what (IMO) race cars should look like from the front (a design based upon a low nose.) On this note, I think some of the most beautiful open-wheeled cars were the CART designs of the 90's.
Bill