Trying to work out which program I should join

(1) What is your home airport? ADL
(2) What types of fares do you usually buy ? Discount Economy
(3) How many miles do you usually fly each year? <25K
(4) Do you have any kind of status at present? What is it? No
(5) What is most important to you in a FFP? Lounge Access would be nice as would any flight redemptions
(6) Which routes do you fly most often ADL - SIN or ADL - HAN
(7) Preferred Airlines Singapore Airlines, Malaysian Airlines
(8) Do you travel for work or pleasure? Pleasure

I've been a Krisflyer member before but my points always expire. I am a Qantas frequent Flyer Member but they don't fly into Asia from ADL direct anymore so I won't use them.

I'd like to find something that will not automatically expire if possible as I use Singapore Airlines if I can get as good a deal as Malaysian.