So, if you've got an OCZ drive and lots of problems, I would suggest trying an uninstall of Google Earth. My problems went away with the replacement drive until I installed Earth; then they came back. Uninstalling Earth then eliminated the problems.
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That's bizzare. I've been using an Intel X-25M G2 drive for 18 months with Google Earth with no issues whatsoever. And my profile is on the SSD which means that Google Earth's cache is there as well...
Reminds me of the compatability problems with memory and motherboards.