Over the player of the last 15 years who was the best at each aspect of the game, but broken down per surface. Here would be mine:
Grass:
Serve- Venus
Return- Serena or Davenport
Forehand- Venus
Backhand- Serena
Net game- Mauresmo or Hingis
Movement- Venus
Mentality- Venus
Clay:
Serve- Stosur
Return- Henin
Forehand- Henin
Backhand- Henin
Net game- Henin
Movement- Henin
Menality- Henin
Hard Courts:
Serve- Serena
Return- Serena or Davenport
Forehand- Capriati, Henin, or Clijsters
Backhand- Henin, Hingis, or Davenport
Net game- Venus
Movement- Venus, Henin, or Clijsters
Mentality- Serena
Grass:
Serve- Venus
Return- Serena or Davenport
Forehand- Venus
Backhand- Serena
Net game- Mauresmo or Hingis
Movement- Venus
Mentality- Venus
Clay:
Serve- Stosur
Return- Henin
Forehand- Henin
Backhand- Henin
Net game- Henin
Movement- Henin
Menality- Henin
Hard Courts:
Serve- Serena
Return- Serena or Davenport
Forehand- Capriati, Henin, or Clijsters
Backhand- Henin, Hingis, or Davenport
Net game- Venus
Movement- Venus, Henin, or Clijsters
Mentality- Serena