B&H Photo Video offers the Ergotron LX Desk Mount LCD Arm / Tall Pole, model no. 45-295-026, for $134.99. Clip the $15 off coupon on the product page to drop it to $119.99. With free shipping, that's $33 under our mention from last month and the lowest total price we've seen, and the best deal we could find now by $40. It can hold up to 20 lbs. and extends up to 25".