newegg offers the Autodesk Sketchbook Pro 6 for Windows and Mac, model no. 732E1-AH511B-1001, for $39.99. Coupon code "EMCJHNF44" cuts it to $24.99. With free shipping, that's $4 under our October mention and the lowest total price we could find for this "virtual sketchbook" software by $8. Coupon expires December 10.