My perception is that one of the major benefits of utilising a private jet is that it facilitates gateways not otherwise available on commercial services. If the choice of steed is runway hungry that would suggest that the service must more than compensate for the inconvenience.
Using the Galway example, if the aircraft can't land / depart Galway, and your business is there, using Knock or Shannon entails at least a 1 hour road trip post landing and pre departure which kind of puts the mockers on their claim that "time is money".
The Blackberry and great Espresso doesn't convince me that not being able to stand in the cabin works either.
The XRS also has a range problem, in that it is Europe, short haul only: transatlantic involves tech stops ( Gander in winter???) as does Dubai and South Africa and India are just dreams.
Finally, if they are having to advertise for key Ops personnel they may talk a good talk and have a swish website but they appear to know b8gger all about setting up and running an operation.