i live i canada ware can i get the bet price on a psu sliverstone zeus 1200 or strider 1500 or ultrax4 1600 and witch one is number 1 thank you guys going to be runing two radeon 5970 or 1 5970 and 1 5870 both blk ed:cool::cool: o and a 1366 motherboard hopefuly i7 980 e