Western Digital's 250 GB Hard drive
Rotational Speed: 7,200 RPM (nominal)
Buffer Size: 8 MB
Read Seek Time (Average): 8.9 ms
Write Seek Time (Average): 10.9 ms (average)
Track-To-Track Seek Time: 2.0 ms (average)
Full Stroke Seek: 21.0 ms (average)
Average Latency: 4.2 ms (nominal)
Buffer To Disk: 748.0 Mbits/s (Max)
Mode 5 Ultra ATA: 100.0 MB/s
Mode 4 Ultra ATA: 66.6 MB/s
Mode 2 Ultra ATA: 33.3 MB/s
Mode 4 PIO: 16.6 MB/s
Mode 2 multi-word DMA: 16.6 MB/s
It's a mere $449.99.
But seriously, check out Western Digital,
http://www.wdc.com/en/ , they seem to have some good stuff.