The #1 problem in translating cinematic to classic is Essence. Essence cost is used as the main balancing factor after character point cost in classic whereas in cinematic it is unused. (e.g. invocations compared to seer powers in classic, no essence cost for the seer powers make them have a much higher character point cost than the invocations)
Consequently cinematic uses other ways to provide for balance wich are unecessary or inapropriate for classic.
The only part where it's a big deal is Metaphysics, unfortunately Beyond Human is almost entirely metaphysics (if I understand what it's all about correctly)