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Thank you Fitzer,Shoota and Kvalidir,for your very interesting answers.Sorry,I should of said,he would HATE for me to buy new,he is a well savvy shopper and believes in the power of the used market.(I taught him well)The Nikon D3100 has been cropping up a fair bit,and I do like the fact it can grow with him and the compatability.This might be a very good thing if the used/second had market is plentiful,cos I hope to be adding to it a little each year.Nikon,Canon and Sony are all names we both heard of,and would be willing to go with any,but are the Canon and Sony as easy to buy for I wonderI do wish that Nikon was Buy It Now!!!
I do like the idea of going to a specific used camera shop,so thanks for those links,I don't know if I will buy from one of these or the old Amazon/eBay route.All I can say at the moment is I don't know if my nerves can take a bidding battle.I will however be making him up a list of good shops(like the one which kindly gave me a refund)for him to look at,so I will add those to it.
Much thanks,you have given me hope!
Off I go to follow up those links :)