Suggestions for the Best Mid-Woofers?

Any experience with Visaton TIW 300? Might be an alternative.

For anyone reading, I think in my case, the best action would be buying a pair of Faital 12RS430 and measuring them. And if they are not what I'm looking for, AE TD12S looks like the niche driver that nobody wants to do anymore. I couldn't find an alternative to it here in the EU.
 
With current prices, you are going to pay a fortune to get those 2 drivers to Portugal.

Here's a detailed breakup:

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And after taxes:

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So basically 847€ per driver.

The AE drivers "only" make sense if you want to take advantage of the extended midrange.
As you want to cross between 700-900, there's a lot of drivers that can reach that range.