I think the combination that you have chosen is pretty much the perfect. You have chosen well.
I'm also a fan of Sunrace cassettes, especially when used in conjunction with a KMC chain.
I took a very slow speed tumble on the Fogo this afternoon, which I attribute to eMTB mode, but in taking the tumble, I also discovered that the X1 derailleur is pretty much made of cheese. I was a little amazed at just how easily the that the derailleur cage twisted out of shape. It bent back easily enough, but I now need to put the bike onto a stand to fine tune it.
I definitely don't like eMTB, and put not only my fall down to it, but also a series of other difficulties down to it.
The fall happened when crossing wet tree stump, a tree stump that I have crossed more times than I care to remember. On this occasion the power kicked in too fiercely and made the rear of the bike step out, and down I went. Probably 5mph max.
I then experienced of issues pulling away, with power coming in too sharply and fiercely for the conditions. The same happened when trying to traverse and get over a series of fallen logs.
I first assumed that perhaps it was the tyres causing the issue, then I spotted that the bike was in fact in eMTB mode. I switched to tour mode, and re rode everything again, and didn't have a single issue.
I then tried eMTB again on some climbs, and instantly found that I had to go up a gear, which wasn't what I wanted. The system was not intuitive to my pedal stroke or force being applied, as I had ensured that I had maintained the same cadence. The drop out of eMTB mode, then necessitated a drop in gear, to where I actually wanted to be.
Oddly I am pretty sure than even the Tour mode is different to that of the FS bike that doesn't have eMTB mode. The ride on that is less sharp and more in keeping to how I want the power to be.
I should also add that eMTB mode definitely had a noticeable impact on battery consumption, and it wasn't for the better.
As an aside to riding the bike, I have also been coming up with a design of front mudguard for the bike. I loathe mudguards of any description, the exception being the RRP Neo Guard, but the company have no immediate intention of bringing guard out to fit inverted forks. To this end, I have had a play and made my own, but have already decided to make a MKII version that mounts behind the forks rather than in front, It is too bulky as it is.