Hi Sarge,
I chose GTX over Price Predictor because it is far more sophisticated in every way , it is also costs a lot more money, about 4 times more.

E.G.
These are just a small number of things it has that PP has not got.
A morning line pre-post market.(very usefull)
The ability to single out race numbers e.g. race No.1 only .
The number of runs & fin positions of any track condition. Even how many 1sts or 2nds or 3rds.broken up accorgingly.
Stewards reports.
It has a number of hadicapping programs e.g. Trackform, Timeform, Combination of both, Consistancy ratings , ect.
The ability to interegate the names of Jockeys & Trainers.
The ability to define what is Country as to Provincial tracks.
Automaticlly takes scratchings into acccount & adjusts all the ratings including the pre-post market prices accordingly.
The form information is never compromised because it is not relying on a second outside source for the information.
It`s much faster to create a system with it .

I run approx 100 systems per day with it & all 100 are done at once within a few seconds. . All my systems a very selective with adout 3-5 bets a month , one would go crazy if one tried to do it manually.
You dont have to run each sysem separetly to get your selections for the day as you do with PP.

I will stop now , I feel thats enough for starters.

PP is fine for those who cant afford the big difference, but I would feel very restricted after being spoilt by this Rolls Royce of form interogation & system developer.
One can send off for a free demo disc , so one can compare the two.

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Cheers.