Full Fashion Double and Triple Decreases are a great way to add a designer touch to a shaped piece. Often used for the European Shoulder shaping. This technique is a "must have" for your knitting bag of tricks.
If you aren't familiar with Full Fashioned Decreases, please check out this video

This technique is particularly useful for shaping European Shoulders. Patterns for this designer style can be found here: www.knititnow.com/maria