Upgrading my Mac Os to Leopard

Since a own a fairly New Macbook I decided to upgrade to Leopard because I am a gear head and always like to have the newest and coolest toys even though I only use my macbook for personal stuff and not any audio work. The upgrade went well until it finished and my machine was running slow so I did a fresh install of Leopard and now everything is working great no issues at all. I really like many things about Leopard including “Time Machine” , “Spaces and the ability to use the apple Y key to open documents and preview them. I have also upgraded 3 other family members Mac’s with no issues. I find that doing a fresh install is a little bit better than just doing an upgrade, however both work well. One final note always back up everything before a upgrade in case of a problem