Lisa, we're relatively new to cruising and never before worried about wrinkles when travelling on our own.
On our Celebrity cruise last winter around South America everyone seemed so elegantly dressed and wrinkle free. It seemed like a different world from our 6 week trips with one suitcase, where we relied on our Canadian Tilley drip dry outfits.
I suspect that no travel steamer works as well as those advertisements would suggest.
Ruth