Also don't forget to check on the Yokohama tyre range, take a look at their recommended 4 wheel drive tyre - Advan St's:
Yokohama / OUR TYRES / ADVAN ST
I bought a full set about a year ago. They are wearing well, handle great on wet and dry surfaces, are nice and quiet and not as dear as Michelins, Perelli's etc.
Don't forget to have a full wheel alignment done when you pull the trigger. Below is a copy of my Wheel Alignment Data Printout - before and after aligning. GL