Hi Darren - Welcome.
Get some shots of this new Zed on the forum then, else you'll be in big trouble...
I'd suggest 18" as the best compromise between looks and performance. Decide if you want OEM or aftermarket. Elipsoid s (107's) and split rim 108's are the most popular, but your call.
Decide if you want staggered set up (8.5 rear 8.0 front) and then the tyre of choice is probably Falken if you want to ditch the RFT.