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I have to say that in the short term I strongly agree with Whitenight, do nothing, watch and learn. I only ever seem to make any significant changes when I've got to a point where I think I've nothing to lose or at least making the change is worth the risk.
Longer term though, if you want to rely on Google go for the "hay while the sun shines" option and don't forget it.
[edited by: tedster at 2:34 am (utc) on Dec. 3, 2009]