Hey there, PhluXx!
Your transfer speed rates seem to be very good, indeed!

You can refer to the drive specification sheet here for proof:
http://products.wdc.com/support/kb.ashx?id=RaVVA4
If you want to keep in eye on your WD VelociRaptor HDD, you can also download the Data LifeGuard Diagnostics for Windows and determine the health and SMART status of the drive. Here's a link to the WD software:
http://products.wdc.com/support/kb.ashx?id=JCVWAb
Hope I was helpful. Best of luck & Happy Holidays!

SuperSoph_WD