Like MarvT and Lanum i also did the NGC (Next Generation Course) with SKY4U in Berlin. The NGC/APC consists of Boeing 737 CBT´s, CRM, Jet Orientation, Loft Sessions, Screening Preparation and a lot of different things you can use for an successful Screening and Interview.
The NGC/APC helped me within my Screening on the Boeing 737 but furthermore it helped me a lot with my Typrating on the 737 and the Supervision.