I recently read Huebner's comments that he couldn't tell the styles of the top players apart any more because they all seem to rely so heavily on computer analysis.
He overstates the case, but since the computer has become virtually hegemonic in chess, the top players have had to become incredibly precise calculators.
I still think there are differences in the styles of Anand and Kramnik, and those differences are what will make this match great and may even determine the champion. The average viewer on ICC has extremely exaggerated views of the two contestants, and even some of the IMs refer to Kramnik as "Drawnik".
Such comments are unfair to both players, as these really are the two best players in the world right now, and have been the two best players since Kasparov's retirement, if not longer. To be the best in the world right now means that these two have excelled in learning the lessons of the computers while maintaining their own flair for the game.
These are two of my favorite active players for a number of reasons, and I suspect that if Kramnik manages to even the match, the fans on ICC will start talking about Anand choking under pressure rather than congratulating Kramnik's brilliance. Perhaps it's just the nature of today's chess fans to be blind to the beauty of the game and only see what the computers they're using tell them to see.
(By the way, I have never seen a computer give a "!" to a move.)