I've been using one for a couple of years now; 1 KF mile for every S$1.25 spent - even better when they occassionally have 4x promotions (exclusing the ongoing 4x promos at selected shops - that I never shop at).

Not as good as KF Amex, BUT you don't have to wait until Dec every year either. Better for me to have the miles avaiable now.

Just my 2 cents (miles ) worth!