Kipling Crucial Crystal Collection
I've had a Kipling carry on case for a few years. Mine is not a very exciting piece of luggage, it's black with wheels and it's quite practical with lots of useful compartments. I use it because it's very light and barely adds any extra weight and I can store it in front of me on any airline.
Kipling keeps coming out with far more exciting options and they have recently launched the Kipling Crucial Crystal Collection. They have laptops bags, coin purses and hand bags - I'm just waiting for the Crucial Crystal carry on luggage!