Going back to your first thread.
You said you plan on buying from Tower for various reasons.
Right now the Magnum is the only engine Tower has in stock. The rest of your list Tower says late March but that is a maybe.So your choice may already be made for you unless you want to wait and see if more come in.
Magnum would be my choice based on personal experience, I have both brands and I have had much more problems with Super Tiger
I would Second Hogflyers suggestion of the Thunder Tiger Pro46, IMO far supperior to any you have listed and on par with the OS 46AX
In fact if the Thunder Tiger Pro46 and OS 46AX were the same price I would still lean toward the Thunder Tiger.But as it urns out the TTPro cost less than the OS.
That said I know it is not on your list but had to be mentioned.