The GoPro brand was started by a guy with an idea and $5000 usd now he is a multi-millionaire i got the GoPro 5 and its well worth the money but theres a few generic GoPro types on the market and some of the big camera names have brought models out also like nikon,what do you want it for?Just to walk along filming your walk or diving or suchlike?Remember one thing,a lot of the youtube GoPro adrenaline vids have been skilfully edited thats why they look pin sharp and catch your eye.