Decorating with suitcases, especially mismatched vintage ones are very popular right now! They do look great stacked creating an extra table or just for storage - and they can be inexpensive too. Here are some of my favorite ideas for decorating with suitcases while travelling around the blogs:
pack your bags... - inspiring ideas
making an entrance - suitcases into shelves
vintage suitcase dog bed - it's adorable!
vintage suitcase clock - fabulous idea
some living room rearranging - how to stack them
upcycled luggage and a contest - transformed with plaid
well traveled trunk... - decoupaged with wheels