From your list I have the following:
- AF-S 14-24/2.8G ED (bought in 2008, “best but most rarely used lens”)
- AF-S 24-70/2.8G ED (2008, original version of 24-70/2.8, not the second one)
- AF-S VR 105/2.8G IF-ED (2008)
- AF-S 70-200/2.8G ED VR (2010, second version of 70-200/2.8, not the third)
- Sigma Art 35/1.4 DG (overhyped btw, imho)
I may test them with Z8, but it can take 2-4 days. Please let me know the lenses you are interested in and what to test.
If you are interested, I also have AF-S 24-120/4 (good but the Z version is by far better in almost every respect), AF Fisheye 16/2.8D (emergency pocket lens, sky colors), AF-S Micro 60/2.8G ED (flat focus plane), AF-DC 135mm/2D (old magic), AF-S 105/1.4E ED (new magic), AF-S 58/1.4G (special magic). I still use some of them on D780 or D4 but very rarely now.
Off-topic:
For Z 24-70/2.8 and 70-200/2.8, take second versions which have better AF, with 24-70/2.8S Mk2 being strangely better in almost every other feature. For 70-200/2.8S other differences seem to be quite subtle. Also Z70-200/2.8S v2 is not yet supported.
Plena (Z135/1.8S) is an absolute, universal magic, imho. AF much faster that AF-S 105/1.4E, enough even for slower sport action. But for portraits it works best when PL edits are combined with post-edits in Nik ColorEfex (e.g. slight diffusion in highlights) and C1 (Face Retouch, although using PL AI masks you can get near)
Some may say it’s optically too perfect to have a character but I don’t read it that way.
Z35/1.2S, from the samples I’ve seen, looks like another magic, but 35mm primes are not in my genre.
For concerts, when 70-200/2.8 or 135/1.8 are not suitable, I’ve used my new Z85/1.2S. Too new to tell any story about it, but one has to keep in mind that Z85/1.2S vignetting is so strong at f/1.2 that you don’t get the ISO advantage at the borders over Plena, which exhibits much less vignetting at f/1.8 and renders light reflections from equipment more peacefully in general. So, if distance or capturing more context are non-issues, as for now I prefer Z135/1.8S over Z85/1.2S. Paradoxically, you need just a bit more light to take advantage of f/1.2, if looking for shallow DOF.