Hi Jetsetter!
I have a TravelPro rollaboard (20 inch) which I've been very happy with. However, I also have a Tumi expandable briefcase which I absolutely love! If I had it to do over again, knowing what I know now and if money weren't a factor, I'd do the Tumi for my rollaboard.
My 20" TravelPro is great for carry-on as I've not yet had it not fit in the overhead on any US mainline plane. It's even been underneath the seat in front of me on a 737 and 319 / 320 in a pinch. It does also have a suiter section which was a "must have" for me. Mine isn't expandable but I think TravelPro does make an expandable 20"
My Tumi briefcase is the expandable one and it's fantastic -- I can fit everything but the kitchen sink in it, and I think I might even be able to fit half of the kitchen seat in there!
