Charter market is much smaller than the mid 1990's, you only have to look at Gatwick to see how much smaller the overall operation is now, compared to 15-20 years ago.
The low cost carriers offering holidays (Jet2 and easyJet come to mind). I can see a push by Monarch to use the Cosmos brand in future years?
When the European subsidies run dry, MOL will need somewhere to base his planes assuming they do not purchase Stansted.
Bizjets were and are free income, from memory the concession fee is not applicable as the passengers do not pass through the tinminal, but revenues are gained from landing and parking charges.