Craig Tadlock (over at the Tadlock Enterprises Blog) made a couple good posts recently about Team Foundation Server and Team Build 2010:

Work Item Classifications
Work Item Relationships

He also came across this great blog that is focused on doing automated testing:

as well as this link discussing custom workflow items:

I’m setting up a local TFS test environment for myself now and hopefully soon should have some interesting information on setting up Lean build systems using this great platform.  I was lucky enough to work at a company that used the previous incarnation of Team Foundation Server and I have to admit I’m pretty excited to see what goodies Microsoft is giving us on this go-around.