For Prime members only, Amazon offers the Furinno B&W U-Shaped Laptop Desk, model no. FNBJ-22032-1, for $17.99 with free shipping. That's a buck under our mention from two weeks ago and the lowest total price we've seen. (It's the best deal now by $5.) It measures approximately 19" x 12" x 24" and features rolling caster wheels.