These goes for £50 @ John Lewis, also free delivery with this case from Amazon.
Freecom works with Wenger / Swissgear, maker of the genuine Swiss Army Knife, leveraging our complementary strengths. Both of protect your data and combined, we can provide you with more than either company could offer in its own right. Venus WENGER Messenger Bag designed to fit notebooks with screen sizes up to 15.4 inch. The Venus has a padded Computer Pocket to help protect your laptop/notebook. The Venus has a tear resistant shoulder strap and a reinforced ergonomic handle to give comfortable carrying options. The exterior zipper pockets and secure snap closures mean that your valuables will be kept safe. The essential organiser incorporated in to this bag has pockets and slots for your pens, phone, MP3 player, business cards, ID, and more. Put your mind at ease when travelling as complies with most airline restrictions for hand luggage. If all this isn't enough for you it also boasts a lifetime warranty.