Topping this because of what I saw in this thread on the BA board:
http://www.flyertalk.com/forum/showthread.php?t=386777
I'm not enough of an expert in these mythic matters to know whether I should race to get ticketed on an ex-WAW or -IST OWE before Jan 15 or not sweat it. Can someone explain (in "Fare Construction for DummiesŪ" style) what this might mean for OW RTWs?