adamj: Does the 6680 have one of the new smaller nokia charger ports? Because the N73 does.
I actually have a 6630, which is similar to the 6680 but it lacks a front facing camera (personally I don't miss it). I did believe that the 6630 had the smaller charger jack but I have just had a look at the accessory compatibility information on Nokia's web site and it seems that chargers designed for the 6630 are incompatible with the N70 (and I assume the N73) and vice versa.
Your in Wellington right Alasta? Head on down to the Vodafone retail shop on Lambton and have a play with the live N73 they have their. I went in with my 6265 before I got my N73 and put my miniSD card in, took some pics and then went home and reviewed them on the PC.
Good idea, although the samples that I've viewed on Flickr provide a range of different shooting situations whereas photos taken in the store may not give a good idea of the cameras real world performance. I should drop into the Vodafone concept store sometime though, because I go past it every day but I've never been in there yet.