Newegg offers the Tt eSports Poseidon Z USB Blue Switch Illuminated Keyboard, model no. KB-PIZ-KLBLUS-01, for $69.99. This $10 mail-in rebate cuts it to $59.99. With free shipping, that's $10 under our mention from a month ago and the lowest total price we could find by $10. It features BTteSPORTS-certified mechanical switches with a 50-million keystroke lifecycle, media keys, anti-ghosting function, and disable windows key function. Deal ends May 7.