I'll say yes to the first one. Everyday buildings is something I've been longing for, taking into consideration that I never got the chance to buy those available in the late 80's/early 90's.
My personal suggestions:
- Bank
- Motorcycle dealer/garage
- Homes, villas, cottages and vacation homes
- A retake on 6394 Metro Park & Service Tower perhaps?
Obviously, all of these with minifigs and probably also vehicles included.
I'm neutral on the bridges, though.
If UCS-sets were in mind, I'll have to say I'm neutral.
Minifig-scale: Ice-cream van, a taxi, family-cars, vintage cars.
Ferrari: The Ferrari GTO, featured with features like transmission, suspension etc, like the best Technic-sets (like 8448) would be great.
Classic cars: The Ford Model-T, if featured with technical stuff mimicking the real machine it would be awesome. '59 Cadillac Eldorado would also be recomendation.
Neutral to the aircraft. The Oil Rig would be cool, but should be a playset with lots of playability, including an oil-tanker. I'm neutral to the Amusement park, though a rollercoaster would be very cool.