Here is what it spit out, and it looks like it should have a lot more rights than it does:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\phil>GPRESULT
Microsoft (R) Windows (R) XP Operating System Group Policy Result tool v2.0
Copyright (C) Microsoft Corp. 1981-2001
Created On 7/2/2003 at 8:59:25 PM
RSOP results for NHSIE\phil on RICKNEW : Logging Mode
------------------------------------------------------
OS Type: Microsoft Windows XP Professional
OS Configuration: Member Workstation
OS Version: 5.1.2600
Domain Name: NHSIE
Domain Type: Windows 2000
Site Name: Default-First-Site-Name
Roaming Profile:
Local Profile: C:\Documents and Settings\phil
Connected over a slow link?: No
COMPUTER SETTINGS
------------------
CN=Ricknew,CN=Computers,DC=nhsie,DC=org
Last time Group Policy was applied: 7/2/2003 at 8:22:11 PM
Group Policy was applied from: sbsserver.nhsie.org
Group Policy slow link threshold: 500 kbps
Applied Group Policy Objects
-----------------------------
Default Domain Policy
The following GPOs were not applied because they were filtered out
-------------------------------------------------------------------
Local Group Policy
Filtering: Not Applied (Empty)
The computer is a part of the following security groups:
--------------------------------------------------------
BUILTIN\Administrators
Everyone
Debugger Users
BUILTIN\Users
RICKNEW$
Domain Computers
NT AUTHORITY\NETWORK
NT AUTHORITY\Authenticated Users
USER SETTINGS
--------------
CN=Phil,CN=Users,DC=nhsie,DC=org
Last time Group Policy was applied: 7/2/2003 at 8:01:21 PM
Group Policy was applied from: sbsserver.nhsie.org
Group Policy slow link threshold: 500 kbps
Applied Group Policy Objects
-----------------------------
Default Domain Policy
The following GPOs were not applied because they were filtered out
-------------------------------------------------------------------
Local Group Policy
Filtering: Not Applied (Empty)
The user is a part of the following security groups:
----------------------------------------------------
Enterprise Admins
Everyone
BUILTIN\Users
LOCAL
NT AUTHORITY\INTERACTIVE
NT AUTHORITY\Authenticated Users
C:\Documents and Settings\phil>
It's strange though, AD says that phil is part of the administrator group and the enterprise admin group but administrator doesn't show up under the gpresult. Does this help?