Newegg offers the Cooler Master Storm Devastator LED Gaming Keyboard and Mouse in Red, model no. SGB-3011-KKMF1-US, for $28.99. Redeem this $10 mail-in rebate to cut the price to $18.99. With free shipping, that's the lowest total price we could find by $10. This set includes a keyboard with dedicated multimedia keys, LED backlighting, rubber pads, and 2,000 dpi mouse. Rebate expires May 31.
Of note, Blue is available for $19.99 with free shipping via mail-in rebate.