Well... they have been match racing for 6 heats so far and its dead even.
IMO, this regatta will be decided by mistakes (took a shot on the shift and missed it...) or equipment failures.
Any other countries use the winner take all format of a trials for the Olympic slot?
From Scuttlebutt this morning:
US OLYMPIC TRIALS
(October 8, 2007) The US is the only country in the world that selects its
Olympic and Paralympic sailing candidates by hosting a single trials event,
and it is all on now for 176 entrants in 13 of the 14 classes (Yngling has a
separate system). From October 6th through the 14th, there will be a 16
race, one throwout series for all classes except the 49er, which has
scheduled a 24 race, two throw-out event. Here is the report from the third
day of racing:
