Did mine ayear ago this week. It's a dificult one to answer as i can only give you an impression of my course. Had to pass the tests first, which gave me an insight to the company before paying the full amount. I would imagine (i could be wrong) that 99% of courses follow the JAA/FAA sylabus pretty closley without making concessions for the level of experience of the candidate - the courses are after all primarily for the airlines who aren't exactly known for their willingness to throw dosh about!!
The facillities and the level of instruction should be very important criteria. To that extent i have had a very positive experience with a large provider in fleming way, crawley