(New to Macs!!!) Hey there everybody. Let's say that I get the new version of iLife (09), or a 3rd party app (specifically, Simplify Media) releases a new version of it's software. Do I need to delete the old version of simplify completely and then install the new version? Since it's a Mac, I doubt it's that hard, but I don't really know what I'm doing and I don't have much hard disk space, so I can't be wasting any of it. Thanks in advance. I'm still ignorant to the "Mac" experience.