When traveling is it better to have a backpack or suitcase?

I am planning on studying abroad in new zealand for 6 months and I plan to be doing a lot of camping/traveling. I am hoping to goto australia and the cook islands/fiji while I am there. Air new zealand only allows me to check one bag, so I was wondering...

This is something I am really tossing up between. A bag (more of a duffel bag, rather than a square suitcase) or a backpack? I was thinking of one of those backpacks that does have the wheels and handle but I seem to be reading a lot of comments saying...

I'm going to Italy for Spring Break and I'm trying to decide what kind of luggage I should take with me. I've never gone out of the country or on a big trip like this before. I don't know if I should use my school backpack for my carry on or get another...

I'm headed over to Denmark for 6 weeks in May to study abroad. I plan on traveling for a week and a half after my program is done. Im just wondering if you would suggest packing my stuff in a suitcase or to buy a backpack and do it that way?

I am traveling through Italy by train (public transportation) to Milan, Venice, Florence, and Rome. What type of luggage do you suggest, a hiking backpack or a rolling suitcase?

Traveling from Hawaii to Los Angeles. I'll be flying on Delta and will be bringing a backpack, a small suitcase (which would fit in the overhead compartment) and a bass guitar ...show more

Im studying abroad this summer and am planning on traveling after my program is done. Since i'll be mobile i want to bring a backpack for those 2 weeks I'm traveling. So i'll be shipping my suitcase home. I'm assuming it'll be fairly full- I'm there...

I am traveling from New York to London to spend 3 weeks with my boyfriend. I bought Christmas presents for him and his family, which I will be bringing with me, but I don't think they're going to fit in my suitcase. I always bring a backpack as a carry...