Update: Available again with a new promo code VISA10.
Altatac via Rakuten has Xbox One Wireless Controller on sale for $53.99 - $10 off promo code VME10 (requires V.me by Visa Checkout) = $43.99.
Price Comparison: Our research indicates that the Xbox One Wireless Controller is $6 lower (12% savings) than the next best available price from a reputable merchant with prices from $50. - daisybeetle
Deal Editor's Note: Real discounts on the wireless controllers for the Xbox One can be few and far in between. While 12% savings may not seem like a lot, there is only one retailer at that price, and the rest are $60+. Critic and User reviews can be found here at Engadget - daisybeetle