Dell Home offers the Dell Tablet Wireless Keyboard, model no. VVW7X, for $99.99. Coupon code "QG3G$33HH3QP0?" cuts it to $84.99. With free shipping, that's $15 off and the lowest total price we could find. It features Bluetooth 3.0 connectivity. Deal ends February 7.
Note: It's listed as shipping in three to five weeks.