Plain and simple, which do you prefer.
http://www.eastbay.com/product/model:106711/sku:66630301/Nike%206.0%20Zoom%20Oncore%202%20-%20Men%27s?supercat=home&cm=GLOBAL%20SEARCH%3A%20KEYWORD%20SEARCH
http://www.eastbay.com/product/model:89765/sku:13661110/Nike 6.0 Air Zoom Oncore - Men's?supercat=home&cm=GLOBAL SEARCH%3A KEYWORD SEARCH