It's been a while since I've shot film in any real way, but here is my take.
Slide:
Kodak E100G
Fuji Velvia 100
Fuji Velvia 50
Fuji Provia 100
Fuji Provia 400x
Fuji Astia
Horses for courses. Velvia is great for landscapes, horrible for people, very small dynamic range. I prefer E100G or Astia...