As Captain Capitalism quantifies...everyone did! (with charty goodness)
So there you have it folks. The answer to the brainwashed, massed produced, broken record mantra of the left, "GW's tax benefits have only benefited the rich," is
"No it hasn't, it seems to have had the same effect on all income levels, besides which the broader economy seems to have a larger role in determining outcomes."
My new goal in life is to obtain my "Certificate of Junior Deputy Econonomist-ness."