I recently found this blog.  I love to script.  I'm just not that good at it.  But I appreciate a good script when I see it.  And boy oh boy are these sweet.
Glen has some really nice scripts here.
Ever want to know how much whitespace is on your database via a script? 
What about listing the file sizes of your Exchange databases in your entire domain?
How about recovering deleted items from the dumpster programmatically?  Neat.