Mostly conservative but with major flaws: Newt Gingrich, Rick Perry.
About as exciting as watching paint dry: Tim Pawlenty.
The flaws of each of these candidates were explicated in detail here on FR over a period of months. Maybe you think that everyone who found these three to be unworthy of the office of President was wrong, but they were all found to be wanting by your fellow FReepers. Each one failed to make the sale based on their own shortcomings.