Builder49 ~ yeah that's my thoughts the navara looks the business. I did hear horror stories ref the navara engine, but i think everyone has a horror story about some car lol.
Tarmac ~ Ah cool, that's not bad MPG on the BMW... i do alot of company miles so wanna cut even. Test drives needed I think.
Your old 350z, been running well, cost me a small fortune in tyres, bulb replacements, belts lol but shes been running lovely, need to tidy roof up as some small chips appeared which put buyers off, hardly put any miles on her, and feels a waste...
Actually heres the link to her (also listed in "ebay or other")
http://www.pistonheads.com/classifieds/used-cars/nissan/350z/nissan-350-z-v6-2003/1106915
Cant work out if i over priced .. so difficult to judge