Thing is, we don't even know what switches you're talking about since the Quickfire Rapid is sold in four different switches.
And no, the Quickfire Rapid is not out of production, maybe it's just that your country's stock hasn't been refilled, but there's plenty of these keyboards in America and South-America (it's one of the few mechanical keyboards produced in our ISO ABNT2 layout).
I think that the one that's gonna go out of scene due to the Quickfire TK is probably the Quickfire PRO.
A good keyboard for a good price out there in Europe, is the Ozone Strike, check that one out.