Daily Deal. Amazon has the Corsair Vengeance K65 Mechanical Gaming Keyboard (CH-9000040-NA) for $50 with free shipping. List Price: $90. Features compact 10-keyless design, cherry MX red mechanical switches, detachable USB cable with built-in cable routing.
Has good Amazon Reviews.
eBay has the Logitech G602 Wireless USB Gaming Mouse (910-003820) for $40 with free shipping. List price: $80. Features a 250 hour battery life, Delta Zero sensor technology, 2ms report rate and a performance/endurance switch.