The least interesting thing they say is that he'd put paid to the campaigns of Pawlenty and Huntsman. Umm ... would anybody notice or care?
Perry's most important characteristic is that, unlike Romney, he doesn't make social conservatives nervous.
On the other hand, I can just hear Team Obama asking the American public if they are ready for another Texas governor as president. That Perry and Bush are different and don't like each other, while true, is hard to convey in campaign mode.