I had the chance to use a 3-10 SHV next to a leupold vx 5hd 2-10x42. I have a nightforce scope for my target rifle and it works fantastically, but for hunting aplications (when I was choosing between the SHV and the VX 5HD) I ultimately went with the leupold. To me the scope picture was brighter and clearer, and it has better features (like zero-stop on the elevation dial). Although I did not measure or weigh them, I think they would be similar in feel/weight on the rifle.
I truly don't think you would go wrong with the NF, but my experience was side by side comparison and going with the leupold, which was also a bit cheaper when I bought one. I know they have at least one illuminated reticle, too.
my $.02
