MKY661, as Alex321 and others suggest, there is now a distinct possibility that all A300s will go at the end of this summer season so if you want to fly on one then I would fly sooner rather than later.
OK. That's really sad. Could it be the same with the 757's as well? Anyways I'm sure Mr. @ Spotty M will know something about this. Hopefully Monarch will do one as many people on feedback on the Blog wanted to go on one before they were gone. I have yet to see one of them as well (seen the others numerous times) So I hope they stay for a bit longer.