Hey Satz. I was intending on using the stock 18's. While I would lover fatter wheels, the design of the 18's I actually like and given that I just put new tyres on the car recently, the wife would kill me if I even mentioned it
It might be something that I would need to look into depending on how the suspension is fairing. Currently it's quite comfortable and no real issues. If it ever comes to the point of having to replace the shocks (not exactly sure when this should be done), then I might do it then. That way I can get a proper work up done (i.e. shocks to compensate for the drop and maintain the ride quality).