ok so i have a nikon D80. the battery grip for it is 140 bucks...is it really worth it getting it from nikon or could i go with sayy this battery grip for like 60 bucks
http://www.bhphotovideo.com/c/product/677289-REG/Bower_XBGND90.html
would the bower have like a shutter delay or something? or misfires? or is nikon expensive just because it has the nikon name on it