Those are definitely great ways to improve your battery life, but you probably won't be able to get to too many web sites with your airport turned off. Flash generally eats a lot more CPU on the mac than in Windows, so maybe that's why this affects us so much (although I hear performance improvements are coming).

An active CPU eats a lot of battery and with all that heat comes an active fan, which can also contribute to battery drain. I don't think flash is the only offender, an errant javascript could also cause the same problem. It boils down to misuse and abuse of technology.

Seeing my CPU at 30% usage because I have a few pages open in the background is annoying. Right now my CPU usage is 5% with flash disabled. That probably means 30 more minutes of working without being plugged in.

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I should have clarified. Obviously disabling Airport would not let you see the flash (or anything else from the web) unless you are hard wired with ethernet. Still - I do see a lot of Mac users at the airports using an ethernet cable with no power and running their airport.

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