A good barometer for monitoring optimism is the "Business Books Best Seller List for Small Business and Entrepreneurship" on Amazon.com. By reviewing the titles, you can get a sense of the areas that business owners are focused on for growing their business and their outlook.
Here is the top 10 from the list as of this morning:
1. Align Expand and Succeed by Christine Kloser and Lynne Klippel
2. Good to Great: Why Some Companies Make the Leap and Others Don't by Jim Collins
3. The Five Dysfunctions of a Team: A Leadership Fable by Patrick Lencioni
4. Business Model Generation: A Handbook for Visionaries, Game Changers and Challengers by Alexander Osterwalder and Yves Pigneur
5. The E-Myth Revisited: Why Most Small Businesses Don't Work and What to Do About It by Michael E. Gerber
6. Rework by Jason Fried and David Heinemeier Hansson
7. The One Minute Manager by Kenneth H. Blanchard
8. Fish! A Remarkable Way to Boost Morale and Improve Results by Stephen C. Lundin, Harry Paul, John Christensen, and Kenneth H. Blanchard
9. Do More Faster by Brad Feld and David Cohen
10. Rework - wireless version