Originally Posted by
Georgia Peach
Take as little as you can when you're moving around a lot . If you don't need business clothes, take the 21" bag and another small bag you can stack on the roller. No checked bag will save time, and should your plans change, you'll have everything with you. If you have two 21" bags, the second one may not fit under the seat.
+1 definitely on the trying not to check a bag. This was my thought as well, even if it's checking luggage plane side. I don't think I'll be able to pull it off, but I think stackable luggage is definitely the goal one way or another.