A femoral prosthesis system comprising: a first femoral prosthesis, comprising: a first condyle, said first condyle defining a first articulating surface and an opposing first bone contacting surface; and a first peripheral wall spanning said first articulating surface and said first bone contacting surface, said first peripheral wall defining a first profile; a second femoral prosthesis, comprising: a second condyle, said second condyle defining a second articulating surface and an opposing second bone contacting surface; and a second peripheral wall spanning said second articulating surface and said second bone contacting surface, said second peripheral wall defining a second profile, wherein second profile is different than said first profile; and a provisional femoral component, comprising: a provisional condyle, said provisional condyle defining a provisional articulating surface sized and shaped to be engageable with a proximal tibia in joint articulating relationship and an opposing provisional bone contacting surface sized and shaped to be engageable with a distal femur; and indicating means (54A, 54B, 54C) for simultaneously visually representing the first femoral prosthesis profile and the second femoral prosthesis profile. a first femoral prosthesis, comprising: a first condyle, said first condyle defining a first articulating surface and an opposing first bone contacting surface; and a first peripheral wall spanning said first articulating surface and said first bone contacting surface, said first peripheral wall defining a first profile; a first condyle, said first condyle defining a first articulating surface and an opposing first bone contacting surface; and a first peripheral wall spanning said first articulating surface and said first bone contacting surface, said first peripheral wall defining a first profile; a second femoral prosthesis, comprising: a second condyle, said second condyle defining a second articulating surface and an opposing second bone contacting surface; and a second peripheral wall spanning said second articulating surface and said second bone contacting surface, said second peripheral wall defining a second profile, wherein second profile is different than said first profile; a second condyle, said second condyle defining a second articulating surface and an opposing second bone contacting surface; and a second peripheral wall spanning said second articulating surface and said second bone contacting surface, said second peripheral wall defining a second profile, wherein second profile is different than said first profile; and a provisional femoral component, comprising: a provisional condyle, said provisional condyle defining a provisional articulating surface sized and shaped to be engageable with a proximal tibia in joint articulating relationship and an opposing provisional bone contacting surface sized and shaped to be engageable with a distal femur; and indicating means (54A, 54B, 54C) for simultaneously visually representing the first femoral prosthesis profile and the second femoral prosthesis profile. a provisional condyle, said provisional condyle defining a provisional articulating surface sized and shaped to be engageable with a proximal tibia in joint articulating relationship and an opposing provisional bone contacting surface sized and shaped to be engageable with a distal femur; and indicating means (54A, 54B, 54C) for simultaneously visually representing the first femoral prosthesis profile and the second femoral prosthesis profile.