“In these four videos, we will be focusing on different techniques that can be used in XSI to confidently manipulate and interact with objects in your scene quickly and efficiently. SOFTIMAGE|XSI comes equipped with a healthy offering of tools and features that can be used to manipulate and interact with objects in many different ways.”
http://www.cgarena.com/freestuff/tutorials/xsi/i3d/transforming_interact.html