Below are some the links which are about System center configuration manager 2007 which you can have it reference.
How to - Step by Step setup of a System Center Configuration Manager test lab:
http://blogs.technet.com/kevinsul_blog/archive/2010/01/07/how-to-information-on-how-to-install-and-configure-configmgr-for-testing-reloaded.aspx
you can download a SCCM R2 Test Drive VHD: http://www.microsoft.com/downloads/details.aspx?FamilyID=e0fadab7-0620-481d-a8b6-070001727c56&displaylang=en
System Center TechNet Virtual Labs:
http://technet.microsoft.com/en-us/virtuallabs/bb539977.aspx
General SCCM Information:
SCCM Home Page -http://www.microsoft.com/systemcenter/configurationmanager/en/us/default.aspx
SCCM TechCenter - http://technet.microsoft.com/en-us/systemcenter/cm/default.aspx
SCCM Documentation Library - http://technet.microsoft.com/en-us/library/bb680651.aspx
SCCM 2007 Case Studies - http://www.microsoft.com/systemcenter/en/us/configuration-manager/cm-case-studies.aspx
myITforum - http://www.myitforum.com/absolutenm/
Training link from Bryan Kinnan - http://technet.microsoft.com/en-us/systemcenter/cm/ff597934.aspx
Video link from Greg Paff - http://blogs.technet.com/deploymentguys/archive/2008/03/20/sccm-2007-and-microsoft-deployment-toolkit-video-walkthrough.aspx
SCCM Blogs:
http://blogs.technet.com/configmgrteam/default.aspx
http://blogs.technet.com/wemd_ua_-_sms_writing_team/default.aspx
http://blogs.technet.com/kevinsul_blog/default.aspx
http://blogs.technet.com/configurationmgr/default.aspx
http://blogs.technet.com/systemcenter/
SCCM OS Deployment information:
SCCM OSD Comparison Matrix –http://technet.microsoft.com/en-us/systemcenter/cm/bb684467.aspx
Blog post about different MS deployment technologies – http://www.myitforum.com/articles/14/view.asp?id=12765
OSD from SCCM Tech Library---http://technet.microsoft.com/en-us/library/bb632767.aspx
Step by Step using OSD through SCCM-- http://blogs.technet.com/configurationmgr/archive/2009/07/27/a-step-by-step-for-using-osd-through-system-center-configuration-manager-2007.aspx
Here's a 5 part series on using SCCM and MDT for Windows 7 Deployment:
http://edge.technet.com/Media/Automating-Windows-7-Deployment-with-SCCM-2007-R2-SP2-Part-1-of-5/
http://edge.technet.com/Media/Automating-Windows-7-Deployment-with-SCCM-2007-R2-SP2-Part-2-of-5/
http://edge.technet.com/Media/Automating-Windows-7-Deployment-with-SCCM-2007-R2-SP2-Part-3-of-5/
http://edge.technet.com/Media/Automating-Windows-7-Deployment-with-SCCM-2007-R2-SP2-Part-4-of-5/
http://edge.technet.com/Media/Automating-Windows-7-Deployment-with-SCCM-2007-R2-SP2-Part-5-of-5/