if you click on my profile name (etlsport) and click see this users gallery, there are lots of mods ive done in there, including a screen/dvd player, tinted side markers and window visors... you dont need bigger rims for bigger tires, especially if you plan to offroad your VX, id plan to go with 16" rims so you have the most tire and least chance of scratching your rims (stock 18s would be fine too) i think most people here would reccomend nitto terra grapplers to fill out your tire well, i think you can get 285/60/18s on there with a small bit of trimming (i tried getting 285/55/18 for mine... but the guy told me i could only get dune grapplers in that size)

as for the brushguard, nobody commercially makes them, all have to be custom made, Tone Monday (forum name Tone) custom makes them for the VX, check out his website www.tonemonday.com for all sorts of mods, including supercharger and brush guards.. welcome!!