Unless you're constantly using the display it would not be a major impact.
My laptop does a very nice job of cycling up and down (CPU, FSB, memory
speed) to save power when it's not actually in use thanks to Cool&Quiet
support from AMD.
--
Richard G. Harper [MVP Shell/User]
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"Bren" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I'm currently running Vista Home Basic on a Dell D620 laptop, with the
> Vista Basic visual theme. So far I've been quite impressed with Vista's
> power management features and am quite happy.
>
> I'm on the verge of doing an Anytime Upgrade to Home Premium, primarily
> for Aero but also for some of the extra Mobility, DVD playback features
> etc.
>
> Looking around the web there are quite a few articles and comments
> relating to Aero and it draining battery power relative to both XP and the
> Vista Basic theme. However just about all of these articles relate to the
> betas of the OS, and all cite the same source for their evidence.
>
> Just wanting to ask what peoples experience with Aero & battery drain is
> with the final release of Vista, and has deactivating Aero made any
> difference?