Hello Chipper.

Want to know if WHAT is patched. You list a lot of stuff there, but it doesn't seem to be specific. If you want to know if the system is patched for Microsoft Security fixes then I'd suggest you use this tool since I assume you're Company doesn't want to pay money for a professional program to keep them updated.

Microsoft Baseline Security Analyzer V1.2.1

    Announcing: The MBSA 2.0 Beta program is now closed.
    Thanks to those who participated in the beta. We will have the final version of MBSA 2.0 available by mid-July 2005.



If you think you're up to it you can also check out this link.

Scripting with the Microsoft Baseline Security Analyzer

If you really want to stay on top of the updates then check out either one of these.

HFNetChkPro from Shavlik

Or the recently released Windows Server Update Services.

Microsft - Now Available: Windows Server Update Services

If you're just wanting information in general then the Helpdesk script I wrote will give you a TON of information, but would take an inordinate amount of time to review it for a lot of servers.
 
Hopefully one of the links above will help you to achieve your intended task.