I just did another comparison. These are results from Vista Business only.

Screen 1 duration from IDE = 117,703 milliseconds or 117.703 seconds
Screen 1 duration from installation = 117,390 milliseconds or 117.39 seconds

Screen 2 duration from IDE = 20,109 milliseconds or 20.109 seconds
Screen 2 duration from installation = 20,062 milliseconds or 20.062 seconds

Screen 3 duration from IDE = 21,656 milliseconds or 21.656 seconds
Screen 3 duration from installation = 22,281 milliseconds or 22.281 seconds


I tried it again and got similar results. Note how the screen 3 duration is higher from the installation but when I did the tests again the screen 3 durations were the same from IDE and installation.