EVGA's backplate and high airflow bracket for the gtx580... How well do these work?
http://www.evga.com/products/moreInfo.asp?pn=M020-00-000215&family=Accessories%20-%20Hardware&sw=4ac#ht_500wt_1413
http://www.evga.com/products/moreInfo.asp?pn=M020-00-000171&family=Accessories%20-%20Hardware
Also, will they fit on my Inno3d GTX580 1.5GB reference card?
http://www.evga.com/products/moreInfo.asp?pn=M020-00-000215&family=Accessories%20-%20Hardware&sw=4ac#ht_500wt_1413
http://www.evga.com/products/moreInfo.asp?pn=M020-00-000171&family=Accessories%20-%20Hardware
Also, will they fit on my Inno3d GTX580 1.5GB reference card?