Western Digital will release two versions of their newest Raptor. One of them, the Raptor X will be made for lovers of moded PCs [How can someone be ? beats me - K.] and will a glass like surface displaying its internal components at work.

Some impressive videos there:
www.wdraptorx.com/
Be careful, this drive will be more expensive, be available later and have a MTBF dropping from 1.2 millions of hours to 600,000.