Hitachi have released a 1TB SATA II drive. What is more impressive than the size is the fact that according to Toms Hardware Guide it benchmarks as well as the famous Raptor drives. One of which I have lovingly in my development box at home, having replaced the SCSI system completely with SATA.
I'd be very interested to see how many IO's 4 of these striped give SQL Server. Could be an option for the budget conscious, or at the least for scratch space. Build your multi terrabyte storage for under 5k 😉
I'm off to buy a few for Home Media Centre.