Not fitted a wind block yet as nothing available off the shelf.. I do agree that it is needed on a Plus Six if driven in drizzle/puddle spray as it all gets sucked back into the cockpit and coats the interior... I was also considering a stainless roll bar, but again nothing available off the shelf at this point. I did quickly chat with Henry at Williams ref the roll bar last year and he said that they were considering it, but dont hold my breath on it coming quickly....