My new D800 works absolutely wonderfully with my favourite lenses – primes and my 14-24/2.8. But I should really get a mid-range zoom for times when using primes just aren’t practical, such as when I’m with someone who can’t wait for lens changing and such. What I’m looking for is flexibility combined with sufficient quality to pass Alamy QC without drastic solutions such as resizing down to 24mb - which would probably get almost anything shot with good technique on the D800 onto Alamy!. My research indicates there are two candidates, which all have strengths and weaknesses (I’ve excluded the