A cheap school is not necessarily the cheapest option in the long run. I suggest you to look for a quality school, one that has been in the game for some time, witch offer linetraining as part of the package (or even better a bond).
It might be difficult convincing conservative chief pilots that the MPL is a good thing, while hours on type is something they can relate to
what happens when you want to move to the left hand seat. Do they then have to pay for your full training, do they give you a sabbatical while you do it or do they employ someone that they can just give a command course to and let them loose with minimal disruption to their crewing figures?
That is your Mickey Mouse right there, as the JAR FCL states that you need 500h PIC to take an ATPL. 70h of those 500h has to be genuine PIC time, not PICUS!
snuble