I wouldn't put much stock into Low-Ki. Personally, I don't get the love for him myself. He kicks pretty hard, which is cool, but I don't see that stiff style gaining him many fans among the guys in the WWE. The first time he lays one into Batista or HHH, he's done.
They definitely should pull the trigger on Punk already. I know he's solid on the mic and yet in his entire time in the WWE, I can't remember him talking for more than a few seconds here and there.
My biggest problem is that you always hear the older guys say "These kids need to get themselves over. They can't just wait for creative to help them." That's true, however, if none of them are given any promo time whatsoever, how are they supposed to do that? Kofi, Punk, Bourne, Rhodes, DiBiase, Swagger, Kidd, etc........none of them are given more than a few really short little snippets to speak.