SharePoint 2010 Migration Steps

Before you can perform an in-place upgrade or database attach upgrade to SharePoint Server 2010, your existing Office SharePoint Server 2007 environment or new SharePoint Server 2010 environment must meet the following minimum requirements.

SharePoint 2010 - Client Object Model

SharePoint 2010 provides a new client object model that enables you to create SharePoint solutions that run remotely from the SharePoint server farm. For example, the client object model enables you to consume and manipulate SharePoint data in Windows Forms...

SharePoint 2010 – Calendar Overlays

Now you can roll-up calendars from different websites because SharePoint 2010 offers calendar overlays.  Calendar overlays allow you to create independent calendars in any SharePoint site and then create an overlay that “rolls-up” the data onto one master calendar.