I have not seen these Dickinsons, so cannot speak to their quality ......... But I have some experience with Turk guns, Yildiz, specifically. What I have learned about them is that judging all Turk guns on the basis of their country of origin is narrow-minded, at best. Even judging them on the basis of the MAKER is narrow-minded. Some of their models seem to be plagued with issues, while others run trouble free. Turkish over-unders, the models at the bottom of their price ladder, seem to be the worst culprits. Each model gun from each individual maker needs to be judged on it's own merits, or lack thereof.
I have personally had experience with six Turkish shotguns. Three S x Ss, two O/Us and one auto loader. The O/Us have been approaching junk status. The S x Ss have needed only a bit of trigger tweaking to make them very sweet, and the auto loader seems to run without issue. I don't own all these but have first hand knowledge about them all.
To put a twist on our old cliche ........... Buy the gun, not the nationality. From the appearance of these guns, if I could find one with decent triggers, and I know there are some out there because a friend on this board owns two, I would not hesitate to try one. I would also like a second opinion on the prognosis that they have "hard to work on" triggers.
SRH