I Will Teach You To Be Rich - The Myth of the Great Idea

I always liked this post on the value of ideas: http://www.oreillynet.com/onlamp/blog/2005/08/ideas_are_just_a_multiplier_of.html

Thats similar to a chapter in the Felix Dennis book where he talks about how execution is more than an "idea".

http://www.randomhouse.co.uk/minisites/howtogetrich/

cross reference this post/discussion in the "best" section: http://news.ycombinator.com/comments?id=638