Originally Posted by
satprof
In the context of an *ONE*, an issue that was important for me was that A-class is generally readily available (even at short notice). D availability, OTOH, can be rarer than hen's teeth. (e.g. JNB/SYD).
Very good point. I have found A gives me much more flexibility from and back to S Africa. And it provides a handy excuse to justify buying AONEs rather than DONEs, should anyone ask.