I can't recall if I got this from the Monster Manual IV or V (both, perhaps?), but it may be good to separate a character's profile into chunks. It helps that one of the books had a pair of specific vampires to serve as an example:
"Short, overall description."
Strategies and Tactics
Sample Encounter
  • particular encounter
  • relevant Knowledge skill checks
Ecology
  • environment
  • physical characteristics
  • alignment
Society
Typical Treasure