Well, I'll be back on later, but long and short of it is they are in!!! They work!!! And they make not one skerick of noise!!! Kinda sh!ts me that it was that easy, and even though Marks produce a good product, it's a bit rude to just go "oh noisy, just take the baffle plate out" like it's a straight forward job ....

Anyways ... Can't wait now to test them out fully - thanks for the well wishes!!!