I would like to add that if someone gets a trainee and is unsure about whether it could be worth something or how he should be trained, it's worth sending a bb mail to the managers as Gully suggested or seek help from a mentor.
There is a global effort on mentoring here
http://www.buzzerbeater.com/community/forum/read.aspx?thr..., but I'm sure if you open a thread in BB England you'll find someone willing to help out.