Automatically Set the TimeZone based on DefaultGateway
[Settings]
Priority=DefaultGateway, Default
[Default]
OSInstall=YES
SkipTimeZone=YES
[DefaultGateway]
192.168.0.1=HOUSTON
11.1.1.11=REDMOND
172.28.20.1=REDMOND
10.20.30.254=WASHINGTON
[REDMOND]
TimeZoneName=Pacific Time Zone
[HOUSTON]
TimeZoneName=Central Time Zone
[WASHINGTON]
TimeZoneName=Eastern Time Zone
This is also be extended a step further to install applications based on location/Gateway.
Applications001={1D7DF331-47B7-472C-87B3-442597EC2F7D}
Applications002={9d2b8999-5e4d-4f3d-bb05-edaaf4fe5628}
Automatically Set Computer Name Based on the MACAddress
[Settings]
Priority=MACAddress, Default
[Default]
OSInstall=YES
SkipOSDComputerName=YES
[00:0F:20:35:DE:AC]
OSDComputerName=HPD530-1
[00:03:FF:FE:FF:FF]
OSDComputerName=BVMXP
REFERENCE
Microsoft Deployment Toolkit Documentation Library that comes with MDT 2010 Update1 install.