Here are the results from CrystalDIskMark.  This drive has my Win7 Pro OS on it.  I disabled Norton to do the test.
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CrystalDiskMark 3.0 x64 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : 
http://crystalmark.info/-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
           Sequential Read :   215.211 MB/s
          Sequential Write :    86.161 MB/s
         Random Read 512KB :   209.401 MB/s
        Random Write 512KB :    79.845 MB/s
    Random Read 4KB (QD=1) :    26.188 MB/s [  6393.6 IOPS]
   Random Write 4KB (QD=1) :    59.191 MB/s [ 14450.9 IOPS]
   Random Read 4KB (QD=32) :   173.184 MB/s [ 42281.2 IOPS]
  Random Write 4KB (QD=32) :    82.193 MB/s [ 20066.8 IOPS]
  Test : 100 MB [C: 42.9% (47.9/111.7 GB)] (x2)
  Date : 2010/12/12 12:49:54
    OS : Windows 7  [6.1 Build 7600] (x64)