Future tax increases on dividends are likely. The Wall Street Journal says. "The millions of Americans who receive dividend income ... need to begin adjusting their investment strategy accordingly." (ref)
"Last week the Senate Budget Committee passed a fiscal 2011 budget resolution that includes an increase in the top tax rate on dividends to 39.6% from the current 15%—a 164% increase." ... "You can expect fewer businesses either to offer or increase dividend payouts."