no cause so few people use them, same with hitachi (not to say they are bad drives)
three top drives in order
.12 slightly outperforms the black but i have had to many problems with customer service to ever buy seagate again
You're going to get a lot of differing oppinions on a question like that. With the widespread use of Western Digital drives, I would say they have the best track record for quality and reliability. They also usually have the top performing drives.