Train Travel:
The Man in Seat Sixty-One... (everything you ever wanted to know about train travel in LOS & throughout the world)
Airline Seat Layouts - choos the best seat:
SeatExpert - Expert in Airline Seat Selection
Welcome to SeatGuru! Your Guide to Airplane Seats and In-flight Amenities
Always a good idea to checkout the airlines own website as well.
Airline Reviews/Ratings:
www.airlinequality.com
Check Your Itinery:
www.checkmytrip.com
www.viewtrip.com
The best travel forum ever (they don't suffer fools though...)
FlyerTalk - The world's most popular frequent flyer community