Ostensibly, a shift towards a gross profits tax relieves the operators of having to apply for Amusement Machine Licence Duty licences and having to account for VAT on their takings.
If you don't have a spare machine lying around to serve duty as a file server, you can either get a cheapo bare bones PC to fill the role, or invest in an external storage solution.
The security line in which I waited for 15 minutes was urgently evacuated by a group of Polizei bearing machine guns, and I had to follow my line-colleauges through a beer garden and a duty-free shop to find another checkpoint with another 15-minute security line.