Project 2010 Professional will synchronise tasks to a sharepoint 2010 site.
Project Server 2010 can be installed as a sharepoint application, and then project plans published from Project Pro 2010 to Project Pro.
That’s it in a nutshell!
Connect your teams by synchronizing with Microsoft SharePoint® Foundation 2010. Using Project Professional 2010, you can synchronize SharePoint Foundation 2010 and Project Professional 2010 project task status updates for you and your team members. You can also save your project files to SharePoint Foundation 2010 team sites to communicate plans and collaborate on progress.