SCCM Driver Packages

Dell – Driver Packs for Enterprise Client OS Deployment

http://en.community.dell.com/techcenter/enterprise-client/w/wiki/2065.dell-command-deploy-driver-packs-for-enterprise-client-os-deployment

Hewlett-Packard

Lenovo – SCCM and MDT Package Index

http://support.lenovo.com/documents/ht074984