In reply to Neil Williams:
> I'd go with screw because it's a more common standard. Push and twist is just Campingaz. Unless you're going somewhere you can't get anything else.
GO System do an adapter called the Travel Pak - if you can get one anywhere. Same/similar one also seems to be sold as CADAC Adventure Pak and badged as Karrimor.
Seems there's also one by Markhill, also sold badged as Edelrid and Vaude, possibly others.
Post edited at 11:57