This deal has ended.
Overstock has the Samsonite Four-wheel Nylon Portfolio Overnighter on sale for $99.99, before this 7% off + $1 Shipping coupon (expires 4/28) lowers the price to $92.99. This bag can accomodate most laptops up to 15.4" and features inline skate wheels and a retractable handle. It's well reviewed, receiving 4.6 out of 5 in overall satisfaction from 39 customers. There is no tax (except UT, IN).