LimaRomeo
Most 'N' reg are owned by individuals or groups - not flying schools or hire organisations. What makes you think these individuals are going to give their pride and joy to a newly qualified PPL with no experience flying in local airspace?
Expect the Belgian equivalent of "go away" when you start touting for a ride. Of course, if you want to buy a share in one of these then it's a different matter of course.
(Why don't you convert your FAA, when you have it, to JAA?)