Done it twice. It’s a good laugh, the riding is varied and enjoyable but definitely pay attention to lift closure times and get out early.
We stayed in Morzine last time but the first time just down from Lindarets. Would stay in Morzine again just because it is easier to go to bars/restaurants etc. As far as kit went, I took my usual tyres etc but had spare tubes, hanger and spokes just in case.