The 760 is pretty obsolete right now, the 760 is about $30 more and way, way faster, go with that. As for manufacturer, it does matter but only as far as noise is concerned, if you can deal with a bit of a louder cooler then don't bother, if you want something quiet then avoid any of the reference cards, identified as having a boxed look to them with a recessed 'blower' fan, stuff like this
http://www.newegg.com/Product/Product.aspx?Item=N82E16814162139
Generally for Nvidia people like EVGA, Asus and Gigabyte.