Amazon offers the Rosewill USB Wired Mechanical Keyboard, model no. RK-9000BL, for $48.31 with free shipping. That's $7 under our January mention and tied with the lowest total price we've seen for this keyboard. (It's also a current price low by $42.) It features Cherry MX Black switches, USB and PS2 connectivity, N-key Rollover, and a braided cable.