I think you did an excellent analysis although I don't agree with everything.
I think Kay Bailey may be a little too old for the job. She has all the qualities you mention plus a quick mind but I don't think she has the necessary vigor.
Trying to counter Hillary is a waste of effort. She has her game plan and will follow it no matter who we nominate. Our nominee should be a conservative who is proud to be one and willing to be firm and straight forward about it. Too often, and probably will again, the political consultants get all worried about the "soft middle" or the undecideds and soften their candidate so as to not offend. That means also weakening the fervor of the conservative base, hoping they decide he is better than the other side. Unfortunately, that is always true.
I like George Allen so far. Rick Santorum would be good. Although Frist has more good qualities than we give him credit for he is too much of a soft middle person for my taste.
I think you underestimate, or is that misunderestimate?, Condi but I don't think she wants or will accept the chance to run. Laura and Lynn? Someone's ill thought out fantasy.
I think the Dems are bloodying up DeLay for fear he might run. He would be good. So will Newt but Newt is playing too cutsy with both sides of the street to suit me. However, he is brilliant and thinks these things through about three moves ahead.
There would be much wailing and gnashing of teeth from the Left if either seriously ran. I don't think DeLay is charismatic enough for a national election. While Newt is (marginally), he has ticked off many on the right. The 1980-1995 Newt was much more supportable than the 1996-present Newt.