As for Jessops, very few staff with any knowledge of photography at most branches, the only advice you were likely to get was the re the brand or model which brought them the most commission. Many people would go in and try the various models they were interested in to check such things as how it fit your hands and how convenient the controls were (example, no point in getting a small camera if you have ham fists or a big camera where you can't comfortably reach controls) having made a decision one then went home and ordered on line for less than half the price, I once paid £63 on line for a lens which Jessops were selling for £199; I'm surprised they lasted this long!