As of June certification for SharePoint 2010 will be available. Two new certifications and related courseware will be introduced for IT Pros:
TECHNOLOGY SPECIALIST: CONFIGURING SHAREPOINT 2010 (70-667)
With the training courses of this MCTS certification, IT Professionals can learn configuration skills for SharePoint, including deployment, upgrade, management and operation on a server farm.
IT PROFESSIONAL: ADMINISTRATING SHAREPOINT 2010 (70-668)
The training courses of this MCITP certification cover advanced SharePoint 2010 topics like capacity
planning, topology designing and performance tuning.
But before that you wil be able to learn a lot by reading content and watching videos on the new features of SharePoint 2010.
Visit this link to read more.