aristotle - 11:47 pm on Jan 16, 2012 (gmt 0)
It is tempting to do, of course, but if implemented one shouldn't complain for having made that serp rename possible
I always choose what I think is the best title for my visitors. I would never intentionally choose a worse title just because Google might be less likely to change it.
The best solution for this entire problem would be for Google to stop changing page titles.