but I want any new-fangled technology tested properly.
In this corner of the world I think Galileo-only receivers will be as rare as hen's teeth. Dual receiver units will be the big seller for aviation at least, or so my tea leaves say... Also, bear in mind the two services use the same technology, so it's not revolutionary.
Makes for good fail-safes if the Germans switch off the Greek & Spanish satellites for non-payment of bills.