by Karen Watson - The reigning women's rugby premiers, Warringah Ratettes, have advanced to the NSW Women's Grand Final after defeating 2nd placed Sydney Uni 37-24, in the semi-final at Merrylands RSL Oval this afternoon. Uni were expected to win this match after easily defeating Warringah twice earlier in the season.  Warringah have had a challenging year, with injuries as well as a number of their key players being selected in the National Sevens squads and not being released to play for the club this season. However, the Ratettes came out hard early on and it was their superior structured play, dominance in scrums and expansive rugby that was to be the difference on the day. Sydney Uni impressed with a couple of quick breaks to score but turnovers and penalties were to prove costly.  It was the more consistent display of