1 ov my mates who gets his gear of a sourse who is mostly ok 2 go with has just bought some propionate for real cheap becouse it expired at the end ov december 2005 . i cant get in touch with my sourse 2 ask if there is a load ov it flying around its good gear but just out ov date .personly i would not touch it .but he wants ore opinions ..ime sure 90%will say chuck it. cheers