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@Skülly Just want to chuck in my 2p on disc pads in poor weather/duration:
I felt like the semi-organic pads I just swapped out fell off a cliff in terms of performance and durability in lots of rainy riding during the fortnight before/over christmas.
They seemed to be fine one week, and then comparatively terrible the next - they wore so quickly they needed adjusting after every couple of rides. I've replaced with sintered pads now which are reportedly much more durable.
On the forks thing - if it's your first bike with these kinds of tyres (as this bike was for me) you might not notice the comparative lack of comfort as it'll still feel massively more plush than a road bike. But if you've been riding big tyres for a while, or bikes with beautiful french-curved forks, then maybe?
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tyeness
I'm gonna write more about this actually.
Disc in itself are a brilliant advantages to have, they work, the pads self aligned to the rotor, they last what felt like eons compared to rims brake pads, they do work in extremely poor weather making it easier for you to judge the tyres limitation rather than the brakes limitation on a poor day (one of the biggest change you'll notice).
It's still great, my other 650b is a tourer with disc brakes for this reason.
However, there's a good reason why my 650b randonneur bike have centerpull brakes in the first place; the frames and forks.
Disc brakes mean the frames and fork have to be redesigned to accommodate the disc pull, the left side of the fork and chainstay/seatstay were beefed up to prevent flexing.
Because of the unique position of the disc calipers, you cannot have the advantage of the curved fork (comfort), as the arm will not be strong enough to withstand the pull of the disc, and consequentially pull it to one side.
So the fork is marginally less comfortable than a traditional fork, and may feel slightly more vibration travelling up from it, for some that's a trade-off to have the disc advantages, but for others, comfort is needed.