Quick post just to let you know that there's a new certification for SharePoint "Microsoft Certified Master" is a recognition given to those professionals in charge of large, complex implementations.
The "Microsoft Certified Architect" builds on top of the MCM, the applicant has to demonstrate her value as an expert in front of a panel of experts.
Further info, go to the MCM page.
It's important to note that you should have experience in SharePointv2 and SharePointv3 or CMS2002 and SharePointv3.