I'm not an enthusiast for dynastic wealth when there are 6 billion people who have much poorer lives. I can't think of anything that's more counter to a democracy that dynastic wealth. The idea that you win the lottery the moment you're born: It just strikes me as outrageous."
http://www.perrspectives.com/blog/archives/000420.htm
The people who build the fortunes generally favor the estate tax because they are aware of the support they had which allowed them to accumulate great wealth (Bill Gates, Warren Buffett).
Here is a good article on this:
http://www.cipa-apex.org/toomuch/articlenew2006/May1a.html
This amounts to an additional Trillion Dollar giveaway to the ultra rich.
I see the Club for Greed was involved.