And if they make too big a face take your cash elsewhere.
Proair in Sweden and BAC in Denmark have plenty of experience in FAA to JAA IR conversions. They get a fair proportion of folk through in minimums and a fair proportion need a few more hours. Depends partly on whether you've kept your knowledge and skills current or if you've just got the piece of paper and now want another one. And also how hard you work and well-prepared you are.
Expect to work hard to close the gap on ADF.
TT