Koen Verbeeck on using sp_BlitzIndex:
What’s great is that this script also provides you with the URLs to knowledge articles on the Brent Ozar website. If you don’t understand one of the results, you can immediately look it up and read about it.
By focusing on the results of sp_BlitzIndex script, I could boost performance in just a few hours of work. This near real-time data warehouse is the source for a reporting application used by dozens of people in the field, and you could immediately tell it worked a lot faster. Awesomesauce.
There are several interesting scripts in the suite; check them out if you’ve not already.