CrystalDiskMark scores, which is better lower or higher?
Please excuse my dumb noob question about the CrystalDiskMark scores.  I couldn't find much info about the scores and set ups etc.
Which is better, higher numbers or lower?
I did manage to test my old Western Digital Caviar SE16 WD2500KS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive and got these numbers.  They seem kind of low.  Is that correct?  Should they be higher?
I'm thinking of getting a new Western Digital Caviar Black WD5001AALS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive to use with my current system or with a new 1155 Sandy Bridge build.  Eventually I'll get an SSD for a boot and app drive.  Thanks all.
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CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : 
http://crystalmark.info/
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
           Sequential Read :    53.765 MB/s
          Sequential Write :    48.426 MB/s
         Random Read 512KB :    22.689 MB/s
        Random Write 512KB :    16.232 MB/s
    Random Read 4KB (QD=1) :     0.145 MB/s [    35.3 IOPS]
   Random Write 4KB (QD=1) :     1.704 MB/s [   416.0 IOPS]
   Random Read 4KB (QD=32) :     0.775 MB/s [   189.3 IOPS]
  Random Write 4KB (QD=32) :     1.732 MB/s [   422.9 IOPS]
  Test : 50 MB [C: 13.2% (30.8/232.9 GB)] (x5) <All 0x00, 0Fill>
  Date : 2011/01/28 0:06:57
    OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)