Just half Mad, Half Max. Probably a 2" Lift (legal without the costly Engineer's Certificates, Transport Dept inspections, etc.). 2nd set of wheels, smaller diameter to suit taller mud tyres. Won't go down the path of overall taller wheels/tyres as that affects acceleration, braking & MPG. Did that to my Troopy & now it stops & starts like an oil tanker. Possibly an easily (hopefully) swappable, second-hand frontend/bumper section, cutout to suit a higher approach angle & bash plate. Tow hooks, Dual Battery System & finding somewhere to fit a smallish Gel or Li-Ion battery (the latter if compatible??) Gotta keep those beers cold! So, similar to your question but more so schizo, shorts & flip flops on the weekends, suit & tie for weekdays.
Yes, trying to track down the clubs. I was a member of a Landcruiser club a while ago. I'm sure there are heaps of mods/parts for Land/Range Rovers here. I'm thinking very little for the Evoque due to it being more of a bitumen beast & our tiny population limiting a market for parts. Looks like some costly importing parts are necessary.
Ahh, & I just got your last point. Some parts should be interchangeable with out Landy models. Thanks!!