I have the Briggs and Riley rolling computer multi-case, and I like it a lot. It's just under 12 lbs. Although I haven't used it a lot (just got it a few months ago), it seems really durable. We'll see what happens after I put it through several months of heavy travelling.

The downsides include the fact that it's black (like everyone else's bags!), and the fact that it's kind of difficult (if not impossible) to fit into the overhead space on some of the really small planes. I have had to gate check it a number of times due to this. It's not really that big, just an awkward boxy shape, I guess.

If I want to use it for packing stuff for an overnight trip, there's enough space in it to get a change of clothes and some toiletries. There's even more space if I choose to leave my laptop at home, and remove the computer sleeve.