Spare yourself the hassle of carrying the computer in your hand while commuting to work. It only comes in one colour, black, but it does look quite neat.
From Amazon
Trust Primo Laptop Bag 16 Inch, Work Bag with Padded Interior, Adjustable Shoulder Strap, Dual Metal Zippers, Messenger Bag for Business, Notebooks, Macbook - Black
Technoworld PLC
Trust Primo notebook case 40.6 cm (16") Briefcase Black
This product is also available at 5 unverified merchants.