The job of the centre is to score tries and set up his outside man. I like Beau Scott as a player, and I wouldn't mind him as an impact man off the bench, but I don't think he is an Origin centre by any means. These are the best performing centres over the past two seasons that are eligible for NSW selection:
Beau Champion
2009 - 16 games, 11 tries, 13 linebreaks, 4 LB assists, 2 try assists, 40 tackle breaks
2010 - 12 games, 14 tries, 10 linebreaks, 6 LB assists, 3 try assists, 25 tackle breaks
Josh Morris
2009 - 21 games, 22 tries, 19 linebreaks, 5 LB assists, 6 try assists, 58 tackle breaks
2010 - 11 games, 8 tries, 10 linebreaks, 1 LB assists, 1 try assists, 35 tackle breaks
Chris Lawrence
2009 - 18 games, 7 tries, 12 linebreaks, 9 LB assists, 7 try assists, 33 tackle breaks
2010 - 12 games, 8 tries, 7 linebreaks, 3 LB assists, 1 try assists, 28 tackle breaks
Michael Jennings
2009 - 19 games, 17 tries, 22 linebreaks, 4 LB assists, 6 try assists, 89 tackle breaks
2010 - 12 games, 7 tries, 5 linebreaks, 3 LB assists, 3 try assists, 56 tackle breaks
Jamie Lyon
2009 - 17 games, 9 tries, 6 linebreaks, 6 LB assists, 7 try assists, 48 tackle breaks
2010 - 11 games, 5 tries, 7 linebreaks, 5 LB assists, 7 try assists, 31 tackle breaks
Jamal Idris
2009 - 20 games, 7 tries, 12 linebreaks, 1 LB assists, 2 try assists, 98 tackle breaks
2010 - 11 games, 5 tries, 6 linebreaks, 3 LB assists, 1 try assists, 68 tackle breaks
Those are the only realistic options at centre for NSW. I would steer clear of Idris though, simply because of his all-or-nothing defensive technique that made Matt Cooper look like Steve Renouf a few weeks ago. I wouldn't pick Cooper - yes he is in decent form at the moment, but he has never aimed up at Origin, and doesn't have any particular outstanding feature that puts him ahead of the pack. Not to mention, he is injury prone and his last season was terribly poor.
Two of last seasons better centres from last year were:
Joel Monaghan (2009) - 22 games, 10 tries, 11 linebreaks, 2 LB assists, 2 try assists, 64 tackle breaks
Jarod Croker (2009) - 21 games, 12 tries, 12 linebreaks, 7 LB assists, 2 try assists, 88 tackle breaks
...but so far this season, Croker is yet to find the same stunning talent he showed last year, while Monaghan has had an injury plagued start to the season. I would definitely look at Croker's current centre partner however, either as a starting centre or as a high impact bench option.
Joel Thompson - 11 games, 8 tries, 12 linebreaks, 1 LB assists, 1 try assists, 49 tackle breaks
Imagine a genuine linebreaker like him coming off the bench in a critical moment, he could very well split the game wide open.