lol you can have your preference but western digital are actually the fastest atm with their black range however the green range still gets over a 100mb/s read.
Seagate have also had a worse record recently with reliability on their 7200.11 series. My drives are running fine and have stayed working. 2 x WD 500GB Black + 1 x WD 1TB Black + 1 x WD 2TB Green