No point. The NiZn cells are not approved in the Eurozone, something to do with the way they are made involving some lead solder.
found where to bulk buy in the states, if I had some cash I'd import them and maybe make 50 quid
It's really difficult to import batteries (or items that come with batteries, such as the RF-602) into the EU, even ones that are legal to sell here. You stand a very good chance of stuff like that getting confiscated.
damn!
Sorry to hear that