Hi Mike,
thanks for your informative reply, which I shall revisit at some latter point. Excuse the brevity for now but I'm rather pressed for time these days.
NATS have been helping drauk explore the possibility of getting a feed of the raw data and Eurocontrol have come up with what I think is a pretty reasonable cost
Would it be possible for you to expand a little bit on that? Also, approximately what would "a reasonable cost" be? PM, if you wish.