Places likes of OAA are way way overpriced. Just remember, its the licence you get in the end, and weather you train modular or integrated, the license you get is the same.
I know a good few lads in Ryanair, some spend 100k+ with oaa and some about 40k less by doing modular. Both are FO's now,no difference.
Think wisely before you spend your money, you will always need money in aviation.