G'day Darkydog.
I have also fiddled with additional rules withim my Price Predictor and have arrived at a very satisfactory set of rules. Since June last year the stats are as follows.:-
AHJAY ENJAY: 01/06/2002 ROSEHILL
SR 3 # 6 0061 ST. GEORGINA 15/2
SR 7 # 4 8891 RA ECLIPSE 7/1 2ND PL 3.00

Meetings considered : 240
Win Strike Rate/Seln. : 32.4%
Plc Strike Rate/Seln. : 52.8%
Average Win Dividend : $5.43

WIN PLACE QUINELLA EXACTA TRIFECTA FIRST FOUR
Races Bet : 102 102 102 102 102 93
Races Won : 35 58 34 26 23 19
S.R./Race : 34.3% 56.9% 33.3% 25.5% 22.5% 20.4%
Outlay ($): 108.00 108.00 535.00 541.00 3622.00 18872.00
Return : 190.10 125.50 688.90 943.20 4039.30 30360.90
$ Profit : 82.10 17.50 153.90 402.20 417.30 11488.90
% P.O.T. : 76.0% 16.2% 28.8% 74.3% 11.5% 60.9%

Test Duration = 00:01:15
Regards