I had a ranger crew cab with a 650 litre tank in the back for about 6 years. It was great to start off with but after 6 months I realised that it's better and more economical to have a separate family car. I have a medium sized van now and the difference amazing, you can fit so much more in, which in turn allows you to work faster due to faster loading and unloading. I'd never go back to a truck, I would be tempted by a 4x4 van though.
Simon.