If you want to spend some coin, I've seen high praise for Rimowa, Tumi, and Briggs & Riley, especially for the frequent--and possibly international--traveler. I'm just not the kind of person to shell out $400-$800 for luggage (maybe as low as $300 for the basic, domestic B&R 22" carry-on) . It can break and I'll replace it often before spending that, which is the cycle I'm in at the moment.
I still like the mid-tier (and above) Samsonite and American Tourister. I just know that with the spinner wheels, I've had a large lack of fun with them shearing off during travel--happened last week--then getting replacement parts that I get to replace/engineer myself (I'm getting at little too good with drilling out rivets and replacing with nuts-and-bolts assemblies).
I would suggest that whatever you get, you physically look at first. And these days, check the wheels and the handles carefully, along with zipper construction.