Western Digital has expanded its line of desktop-grade VelociRaptors to include a 1TB model that's available now for $320, but those kidding themselves with that whole "250GB is enough" thing can get in for as little as $160. Top-level specs include a 10,000RPM spindle rate and a SATA 6Gb/s interface housed within a 3.5-inch heat sink -- useful for lessening the burden of the drive's thermal output on the rest of the machine. Storage Review's tests reveal that sequential read and write transfer speeds top out around 206MB/s, thermal dissipation is excellent with low power consumption, and that random access has improved compared with its 600GB predecessor. They consider the new HDD to be a "very appealing value proposition" and "a blend of high performance, storage, capacity, and low cost."
Hot Hardware discovered virtually identical numbers with their tests, but wasn't quite as forgiving when it comes to the cost-per-GB versus 7200RPM hard drives. However, they call this VelociRaptor the "fastest HDD yet" at "nearly double the capacity of previous" model. You can find even more stats and impressions to chew on at the sources below.