If you've been in the market for a hard shell suitcase, but can't stomach the price-tags, Muji just released a great option for under $200. Their Hard Carry Travel Suitcase has a lightweight polycarbonate exterior mounted on 360-degree swiveling wheels and is big enough to haul your gear on a weeklong trip. Link / Source
Muji's collapsible suitcase solves one of the most annoying luggage problems
This bag collapses to become half its size.