Newegg offers the Rosewill Apollo Mechanical Keyboard, model no. RK-9100xR, for $79.99. This $20 mail-in rebate drops it to $59.99. With free shipping, that's the lowest total price we could find by $35. It features Cherry MX Blue switches, three levels of brightness, up to 50 macro keys, and a breathing mode. Deal ends October 19.