<p>[Airline</a> Seating Charts - Best Airplane Seats - SeatGuru](<a href=“http://www.seatguru.com%5DAirline”>http://www.seatguru.com) may be able to tell you what features (e.g. in-flight entertainment, whether premium class seats lie flat, etc.) are in the seats by airline and type of airplane.</p>
<p>One other thing to note is that many Asia-based airlines have fairly low carry on bag weight limits (e.g. 7kg or 10kg). Note that a roller bag can take up nearly half of the weight limit with the empty bag.</p>
<p>They might let you get away with heavier carry on bags under some circumstances. My guess is that if you appear obviously capable of putting it in the overhead without assistance, they may let you get away with it even if they weigh it and find it slightly heavier than the limit. Or they may not even ask to weigh it if you are confidently carrying around a non-wheeled bag or backpack.</p>