I don't think he's even a coach so there is no argument there, Pardew is a better coach, but overall, O'Neill is a better manager you have to say based on his CV if anything. Pardew has the potential to go onto better things mind. I get the impression O'Niell needs the right set up and right people around him to succeed whereas Pardew could probably succeed or rather do a decent enough job off his own steam based on his hard work, willingness to learn and of course his tactical ability which has probably impressed me most since he become our manager. I also get the impression with Pardew that he is willing to throw whatever he knows or has learned out of the window for something else if it made him a better manager or brought him better results, the likes of O'Niell are too stubborn, too set in their ways. Pardew is a new breed of manager or coach, O'Neill is old school if you like.
Personally I'm no fan of stubborn, old school managers and prefer the European style set-up where the staff and infrastructure stays the same and the coach is just that - a coach. I think there is a stigma around that kind of set-up in this country but I honestly think for mid-range clubs (ourselves, Everton, Villa, mackems etc) it is the best way forward.
As much as I can highlight O'Neill's faults it's true that you really can't argue with his record on paper, I just don't think he's the right option for a club trying to close the gap with the top 6.