Before talking about a 'decent FIS', perhaps it's worth understanding just what a FIS amounts to...? There's still a Safety Sense leaflet about types of service...
SSL about ATSOCA
On the topic of Southend, the charges are astronomical - a couple of approaches and a couple of circuits, plus one landing and twenty minutes parking, cost knocking on for £100 a couple of weeks ago (PA-34). Value for money???