Geoff, here is a link to a review, testing and discussion of SSD.  My take is that at present, unless you have money to burn or are wanting to do some testing yourself, buying a SSD drive is really not worth it.

http://www.bit-tech.net/hardware/apple/2010/07/01/mac-ssd-performance-trim-in-osx/1


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"Freedom makes a huge requirement of every human being. With freedom comes responsibility. For the person who is unwilling to grow up, the person who does not want to carry his own weight, this is a frightening prospect.”
  - Eleanor Roosevelt
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Michael Logue                                The Grateful Union
http://www.earthguild.com/    Earth Guild: Tools Materials Books
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