For using WDS to deploy WIndows, it iwas suggested to upgrading your system to Windows Server 2008 R2.
In Windows Server 2008 R2, deploying drivers becomes much easier.
Windows Server 2008 R2 has the ability to deploy driver packages to client computers as part of an installation,
and the ability to add driver packages to boot images prior to deployment.
For detailed information, please refer to the following article:
Managing and Deploying Driver Packages
Windows System Image Manager is used to create unattend files. For detailed information about Windows System Image Manager, please install WAIK and read its help document.
Microsoft Deployment Toolkit can help us perform advanced deployment. For detailed information about Microsoft Deployment Toolkit, please install Microsoft Deployment Toolkit and read its help document.