We've been labouring with a mish-mash of luggage for years. Now with a couple of kids in tow, we needed both space and portability. There are many cheaper alternatives, but all we viewed felt insubstantial, like the pull-along handle was ready to break at the merest hint of pressure. There are many more expensive alternatives, but I thought them often overburdened by faff - too many compartments, over-heavy wheely bits etc. Eastpak is a great balance. Big and squared off, so feel like you get the most of the room available, with a smart two-zone inner (which separates the "his from hers" on big trips). The construction is solid - heavy duty material without feeling heavyweight. We bought one, and immediately on receipt bought another one - seriously impressed.