Seagate announces highest capacity 3.5 inch hard-drive to the market. The Seagate Barracuda 7200.10 offers 750GB storage achieved through perpendicular technology.

Available options for this high capacity hard-drive series are 8 or 16MB cache, choices of ATA/100, SATA 1.5Gb/s or SATA 3Gb/s.
The Barracuda 7200.10 features Seagates SoftSonic motor to reduce noise and enhanced G-Force protection. Seagate gives a five-year warranty on the new Barracuda drives.
The MSRP for the 750GB 7200.10 is $559.
More details in this Seagate data sheet for the 7200.10.

Seagate just recently introduced the Cheetah HDD with 15,500rpm.