Top 5 Downloads for VSTS & TFS 2008 Updates from MS Site

1. Visual Studio 2008 Team Foundation Server Service Pack 1 TFS 2008 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=9E40A5B6-DA41-43A2-A06D-3CEE196BFE3D&displaylang=en
2. Microsoft Visual Studio 2008 Service Pack 1 (Installer) VS 2008 SP1: http://www.microsoft.com/downloads/details.aspx?familyid=FBEE1648-7106-44A7-9649-6D9F6D58056E&displaylang=en
3. Visual Studio Team System (VSTS 2008) Team Foundation Server TFS Power Tools - October 2008 Release http://www.microsoft.com/downloads/details.aspx?familyid=FBD14EEA-781F-45A1-8C46-9F6BA2F68BF0&displaylang=en
4. Microsoft .NET Framework 3.5 Service Pack 1: http://www.microsoft.com/downloads/details.aspx?familyid=AB99342F-5D1A-413D-8319-81DA479AB0D7&displaylang=en
5. Team Foundation Installation Guide for Visual Studio Team System (TFS 2008): http://www.microsoft.com/downloads/details.aspx?familyid=FF12844F-398C-4FE9-8B0D-9E84181D9923&displaylang=en

If you want to check the Top 10 Download links for VSTS 2008 from MS Site

10 Download links for VSTS 2008 from MS Site

If you want to try to use VSTS 2008 , you need these download links

1. Visual Studio Team System 2008 Team Explorer ( but You must have a Team Foundation Server Client Access License (CAL) to use Team Explorer to access a Team Foundation Server).
2. Newly published (3/28/2008 ) VPC Image Visual Studio® Team System 2008 Team Foundation Server and Team Suite VPC Image (Trial) This image will expire December 31, 2008.
3. VPC Image Visual Studio® Team System 2008 Team Foundation Server only VPC Image (Trial) This image will expire April 1, 2008.
4. Free Tool Visual Studio Team System 2008 Team Foundation Server Power Tools - December 2007 Release it is a set of enhancements, tools and command line utilities that improve the Team Foundation Server user experience.
5. Microsoft .NET Framework 3.5
6. Visual Studio Team System 2008 Team Foundation Server (90-day Trial)
7. Visual Studio Team System 2008 Team Suite (90-day Trial) Team Suite provides multi-disciplined team members with an integrated set of tools for architecture, design, development, database development and testing of applications.
8. Visual Studio Team System 2008 Test Load Agent (90-day Trial) This Trial Edition has full retail functionality but will expire after 90 days or 25 runs, whichever comes first.
9. MSDN Library for Visual Studio 2008
10. Visual Studio 2008 and .NET Framework 3.5 Training Kit it is a Training Kit containing Labs, Demos and PPTs.