standard height is more than enough off road, tyre choice is more important.
all depends on what you want to use your truck for really, bog standard and all terrain tyres will get you over most greenlanes and still give you good road maners.
a 2 inch lift means more body roll and very chunky off road tyres like insa turbo,s will have the same effect as a swarm of bees chasing you down the road.
theres loads of trucks out there that have had thousands spent on em to look good but never go off road.
personally i work on my landy as a hobby, ive got a 2 inch lift snorkel etc, and ive spent hours, neigh days getting the inside how i want.
i have the chunky tyres when lanning, but a set of at,s when i tow, or can be arsed to swap lol.
if like me you have a road car and your truck is your hobby, then the sky is the limit.
get yerself to a landy show and have a look around, one at donnington later this month, or look up your local landy club and go to a meet.
talk to folk then decide what you want from your truck.