newegg offers the Gigabyte Aivia Osmium Mechanical Gaming Keyboard, model no. GK-OSMIUM, for $99.99. This $10 mail-in rebate drops it to $89.99. With free shipping, that's the lowest total price we could find by $10. It features a Red Cherry MX key switch, 1,000Hz report rate, and USB 3.0 support. Rebate ends September 30.