This deal has ended.
Buy.com has the Ziplinq Deluxe 10-in-1 Road Warrior Notebook Travel Kit for only $14.99 after this $10 mail-in rebate (expiring 8/12). This includes a mini optical mouse, USB light, USB mini 5-pin cable, retractable USB 2.0 extension cable, three USB adapters, 48" Ziplinq retractable stereo earbud with mic, Cat5e patch cable, and Cat5e crossover adapter. It also comes with a one-year warranty. Shipping is free and there's no sales tax (except CA, MA, MD, TN).