Maximum Power Management Under Vista

I am heading up a project to evaluate Vista for use by my employer, and one

of the things that we want to test is the power savings that may be

associated with Vista as a result of enhanced power management features. To

test this we have purchased a device called a Watts Up Pro, which measures

the power usage of any device that you plug into it. The Watt's Up Pro will

log the power usage data, which can then be retrieved from the device and

imported into something like Excel so that it can be charted.

We plan to run Vista with the power management features configured to save

the maximum amount of power. We will then install XP on the SAME machine

and do the same test, and then compare the two data sets.

However, I'm a Vista newbie and so I need help determining how to configure

Vista to save the maximum amount of power. Here is what I have done so far:

1) In the Device Manager I configured the NIC and mouse so that neither can

bring the machine out of power saving mode (I don't want the machine to

accidentally wake up during the test).

2) In Power Options I selected the Power Saver plan.

3) In the Power Saver plan I set it to turn off the display and put the

computer to sleep.

I would like to edit the advanced settings for the Power Saver plan, but I'm

not sure what all to configure in there to get the maximum power savings.

So my questions are:

1) Am I on the right track to configuring Vista to achieve the maximum

amount of power savings?

2) Is there an easier way to do this?

3) What advanced settings for the Power Saver plan would people recommend

changing from the defaults?

4) Is there anything else that I should consider that maybe doesn't deal

directly with power management settings?

Thanks in advance for any help that you can offer!

--Tom