Delsey...the best luggage. Check out their website.

Atlantic expandable 22"-24". Absolutely almost bulletproof. The point about the size is a good one--they are checking it carefully these days.

Katie, $40 luggage from K-Mart might work well if you fly once a year but other than that, it won't hold up. You can't buy ballastic nylon, heavy heavy duty zippers, great rollers and a handle for that amount of money.