I bought the backpack (below). Got it 20% off at eBags. I took it to South Africa for 2 weeks, it performed well, lots of pockets and padded back. I recommend it. I got it in the tan color.
http://www.briggs-riley.com/category...ign=RU-Luggage
I also have a B&R Baseline 21" roller that fits head first in all overheads on mainline aircraft.