This suitcase has some great features for travel through airports and on airplanes: large wheels that roll well, easy to raise and lower handle, easy to grasp handle on the case to pick up, alternative backpack straps (that are not too difficult to figure out), outside protected compartments for laptap and glasses/ipod/blackberry type devices, large inner compartment and mesh compartment that are padded.  I have used it with the extended handle as a roller bag which is its best suited use; I have also found it works pretty well when picked up and used as a backpack for shorter lengths.

The weak points are the backpack straps get in the way of accessing the laptop compartment and need to be moved out of the way--not a big problem but prevents a 5-star rating.  I also wish it had a way to strap loose articles in the inner compartment like books, etc. It is a little heavy to use regularly as a backpack for long periods of time and the protective shell makes it a little uncomfortable as a backpack.

I think I definitely be happy with this suitcase for travel, and it will be adequate for daily use with my laptop and book, notebooks and stuff.

The dvd user's guide is worthless; it is 57 seconds of an ad for the suitcase without any helpful ways to use it.  The instruction brochure is also useless in offering help.  Using the backstraps took a minute to figure out but is not difficult.