Joshua Townsend of VMToday just posted an article about ESXTOP and Windows Perfmon that included some of the lessons he learned when working with these tools.  I found it interesting as I had just posted some information on ESXTOP and how to use it with Perfmon.  You can find my document post here.
I absolutely agree [...]

Simon Long of The Slog has posted a VCP vSphere Practise Exam built out of VMware documentation and personal information and experience.  Looks great, I plan on taking it tonight to brush up!
Take the Exam here.
VCP vSphere Practise Exam

I keep meaning to post a link to this document that Zpan created.  It has great deal of information about how to gather performance statistics with ESXTOP batch mode and then use tools such as Windows PERFMON to review them and how to interpret what you are seeing.
Great document to keep handy, personally I use [...]

VMware has released a new white page on memory management techniques within ESX/i 4.  The previous version for 3.x was a great resource for many discussions, troubleshooting, and designs over the past few years.  This new document is every bit as good, but has even better documentation and examples with greater technical information.
Read the whitepaper [...]

Duncan Epping of Yellow-Bricks.com posted an article reflecting on another year passing by in his life; however the the article turned into much more with great insight and information on how and why he blogs with tips for others looking to make the dive into it themselves.
I personally have taken (stolen with credit given, but [...]

You will find these instructions in other How To posts and links here, but I thought I would post a simple KB from VMware for quick reference.  service mgmt-vmware restart, will NOT cause a Guest to reboot or go down.
Click here for the article.

Congratulations to all those that won, and those that placed.  Many great vendors with fantastic software in this list!  Take a look at each of them for your own VMware infrastructure, they can add a great deal of value.
Old hats to VMware like Vizioncore with their vRanger are still top of their game, and newcomers [...]

VMware document defining Scheduler process improvements, and changes for ESX 4.  There are some very significant changes, and there are always many customer, client, and user questions about how ESX handles the Scheduler functions.
Get the document here.