THANKS FOR ALL THE ADVICE, AND ANY MORE TO COME IS WELCOME!
(Lola4479 - your comments sound a little like you work for the companies you suggest?)

Re. Truphone they advertise (and i have spoke to them) a UK number and £0.18p (about 25 euro cents) per minute for incoming in both nepal and China so i'd love to know if anyone is using it?

Best wishes,
PeterGene