Just to clear things up, these are NOT true vectors. They are mostly done using paint tool sai and have the edges cleaned up as much as possible to replicate the vector look and feel. I'm looking into how I can do the same thing in Flash as me and Illustrator aren't always the best of friends.
Prices start at USD65+ per character, depending on complexity. Additional characters start at US55+ each.
These are a little different from character turnarounds; you won't be getting the front, back and usual 3/4 views here. These are closer to character studies with different poses and moods. They can be simpler than these like the turnarounds or more fully painted up like the ones shown here.
Prices start at USD150 and onward depending on complexity and finishing level.