how is this psu for a sapphire r9 270. core i5, 27 inch monitor, 6 gb ram and 1 tb harddrive
http://www.newegg.ca/Product/Product.aspx?Item=N82E16817207013&cm_re=xfx-_-17-207-013-_-Product
UPDATE: or shud I buy this http://www.newegg.ca/Product/Product.aspx?Item=N82E16817151096&cm_re=seasonic-_-17-151-096-_-Product
http://www.newegg.ca/Product/Product.aspx?Item=N82E16817207013&cm_re=xfx-_-17-207-013-_-Product
UPDATE: or shud I buy this http://www.newegg.ca/Product/Product.aspx?Item=N82E16817151096&cm_re=seasonic-_-17-151-096-_-Product