Ian Hu - Profiler Improvements In July CTP of VSTS
Ian gives some good reasons to install the July CTP, if you are using the Team System Profiler.

Eric Jarvi - VSTS Tip: Finding Where Things Are
Eric discusses how to do several miscellaneous things in VSTS

Manish Agarwal - How to debug build break in Team Build
Manish discusses how to increase the amount of information Team Build gives you.

Rob Caron - Installing Team Foundation Server Proxy and @H_APPLICATION_NAME@
Rob points out a small errata change for the How To: Install Team Foundation Server Proxy in the Installation Guide for the July CTP

Eric Jarvi - VSTS Tip: Use Team Test to create test lists
Eric explains about using Team Test to create test lists

Eric Jarvi - VSTS Tip: watch your language when creating unit tests
Eric tells us to watch out for the default language when generating unit tests.