Right! I hadn’t considered that… although I think that yes, the daily “stress” that certain components can suffer, especially when it is a modular device, can be a determining factor. Also the weather conditions of the place where it is used, for example.
I read here a few days ago that the 5 years warranty can also be requested with the FP4:
Absolutly right.
Unfortunately, it is not uncommon for support to take several days to respond, although this is not ideal at all. As yvmuell points out, if you are comfortable speaking English (or Dutch, I guess 
), people often comment on the forum that phone support is a quicker and more effective option.
Best of luck with your choice, whatever it is! 