Here's my take.
First, would you rather the focus be more on vehicles, more on drones, or evenly split?
I'd want an even split, but given how games have been going, a 40/60 split would probably be better.
Would you rather vehicles be more civillian style, security, or military? (For instance, 60 civillian/30 security/10 military, for percentages.)
I'd put it at 50/35/15 in that order; put the military as SOTA mil-spec stuff, the high-end of the tier, sort of a 'cap' on how good things can get outside of multi-billion nuyen prototype next-gen models. Then go your various security models (perhaps some surplus military as well), then your civilian things.
Would you rather the drones be more civillian style, security, or military?
40/40/20 split respectively would be perfect here. I want some mil-spec, a good amount of security, and of course a bunch of civilian models I can weaponize for shenanigans (who doesn't love a Renraku wimp drone with a minigun?).
Would you rather have fewer things with large write-ups and art (For example, Run and Gun style) or more things with smaller write-ups and little-to-no art (Similar to the SR5 core book)
More items, smaller write-ups, more stats. I want plenty of options, not plenty of fluff in this case. It's more fun when there's a good kernel of information you can build on.
Similar to a bit above, how would you like to see a split between ground, air, water, or "other" transportation? (Shadowrun! In! SPaaaaaaaaaace!)
I'd say 50/30/15/5 on Ground, Air, Water and Space, myself. The space option I'd only have as a few models so others who take their games up there have something to build on. Space 'runs aren't my cup of tea.
Mods would seem a no-brainer, but would you like to see a "Build-it-from-scratch" system, or is that a waste of space since no one buys a Facility?
Yes. Being able to build your own drones/vehicles, or doing the mods themselves, is integral to making a good rigger, in my opinion. It actually makes a reason to buy a Facility, which is probably why people don't bother getting one at the moment.
Should Autosoft and Pilot programming rules be found in the Rigger book or in the Matrix book?
Rigger, hands down. Having to hunt through books is a pain, try to consolidate what's needed with where it should be.
What vehicles/drones that have been published in previous editions need to make a comeback? (Merucry Comet or DEATH!)
I honestly don't have any opinions here, never got too attached to any vehicles. Well... The Aztlan ship model that Kane stole, that would be nice.
On top of all of this, I'd love an update/rework on the vehicle rules. As-is, it's a bit... Messed up. Speed especially. Toughness is a little iffy too, at the moment.