Actually, our prices include VAT, so there is not that much difference. Our on-going costs are lower, and include VAT - plus the switch on/off option - and 50% more speed for 15% less.
I am currently working on a cheap USB solution - initially with Latsi Marina for the Boat visitors, but can expand later. I have Z-Com designing a USB stick at present. Costs will be about €50 for the stick, and €11 per week.
It would only be a short-range option about 1-2km's from the hotspots due to power limits.