Rote8,
I have recently done my MEP class rating and IR with WestFlight and can confirm that the school has been founded by ex OATS Modular Instructors.
I cannot provide any specific information about the structured hour building programmme as this was not something that I actually did other than to say that the idea is to give yourself a headstart when you come to do your CPL course my attempting to mimic some of the exercises that you will do during your CPL course and subsequently be tested on for your CPL GFT.
As far as the CPL course itself is concerned, nearly all schools initially use a Warrior then transition to the Arrow for your last 5 or 10 hours. In my opinion, WestFlight give you a superior offering by conducting all 25 hrs of the course on the Arrow and the price differential compared to other schools is very competitive.
As far as my personal experiences are concerned, I have absolutely no qualms about recommending WestFlight as I have received the best one-to-one instruction that I have ever encountered since I starting flying. In addition, at a personal level, I lost my job after I had started the course and this caused me considerable financial problems - however, the schools was exceedingly understanding and permitted me to continue on the understanding that I would pay back the money that I owed once I was able to do so. Not many schools would have done that!
Finally, I would suggest that you draw up a shortlist of schools that you are interested in and visit each of them in turn. Once you have done this, I think you will form an opinion on which one is 'right' for you.
Hope the above helps.