Hard Drive (disc) Speed Rating or Listings?

[Iron_Chef]

I am looking for some listing of HD speeds, as I have a 150gb raptor failing (in raid 0) and thinking of replacing it with either another raptor or 2 WD black 1tb drives

Thanks

 

[Ubrales]

I suggest two of these drives: http://www.newegg.com/Product/Product.aspx?Item=N82E16822136533

Alternate: http://www.newegg.com/Product/Product.aspx?Item=N82E16822148433