SiM - I know this is a Sammy F1 thread, but as a point of reference my Seagate 1tb 7200.11 drive (which I bought as replacement after my samsung f1 drive died in its first week of use), gets the following in hdtach
and the samsungs are meant to be a little bit faster
To be honest the average read speed of the seagate 1tb isnt far off what I get on my now 2 year old 80gbx2 raid array....