Here is the AirTravelGenius.com series of articles on corporate business jets, must reading for the executive traveller:

Buying a Long Range Corporate Jet

Getting the Very Best Deals on Private Jets – Empty Legs

Private Jets – Alternative to First Class

Very Light Jets VLJs – Business Jets for the Mass Market

Executive Business Jets – Jet Charter or Fractional Ownership?

Buying A Midsize Corporate Jet

Private Executive Jet Options for UK Travellers