Thank you for the reply Kiwi Flyer. The thing is, I joined TK to get to *G as quickly as possible and get *G benefits. I just managed it too. Unfortunately, since I don't fly with TK, I'm not going to receive many member benefits from TK itself. Although, there are £181 flights to HKG and £248 SIN from LON on sale with TK. £287 to BKK? However, other programs like UA, BD & TG seem to offer more, like upgrade vouchers. I suppose TK would become my secondary program.