Microsoft has the Kingston HyperX Alloy FPS Pro Mechanical Gaming Keyboard (Cherry MX Red Switches) for $50 with free shipping. Upgrade your gaming arsenal with this mechanical keyboard that boasts a solid-steel frame, compact design, and CHERRY MX keyswitches.
eBay has the Vulcan 80 Wired Gaming Mechanical Roccat Titan Switch Keyboard (ROC-12-381-BN) for $50 with free shipping. Features 6-foot cable, blue illumination, USB interface.
Amazon has the Logitech G604 Wireless Optical Gaming Mouse (910-005622) for $70 with free shipping. List price: $100. It features 15 programmable controls: include 6 thumb buttons; fully programmable with G hub software.
Has good Amazon Reviews.