Not really. Use it and stop worrying about it.
Turn it on and use it. You can calibrate it sometime in the first day or two. No need for coolbook. This should answer most, if not all, of your battery questions:1. Not install 10.6.7?
2. Calibrate battery immediately?
3. Get coolbook installed?
4. Other issues I should be aware of?
1. Not install 10.6.7?
2. Calibrate battery immediately?
3. Get coolbook installed?
4. Other issues I should be aware of?
Since there is NO urgency on 10.6.7....I would wait a few weeks before upgrading.
I have not upgraded as I just dont see any compelling reason to do so.
Even with the iTunes fix just released by Apple, there have been reports of other issues.