First, make sure you've updated your 10.6 system before installing Lion -- there's a Migration Assistant update.
While you wait for the download, here's where to see your progress.
Once Lion is installed:
If you find Apple's Natural Scrolling is melting your brain's muscle memory, here's how to turn it off.
Get the scoop on revamped Mail.
Lion Server is the least expensive OS X Server ever, and it's easier to setup than ever before.