It’s my understanding SharePoint 2010 has introduced a new JavaScript API, a brand new assembly for Silverlight clients, but does anybody know if there will be still support for good old Web Service Access?
By old services, I am referring to the old interface
http://msdn.microsoft.com/en-us/library/dd878586.aspx
Yes SharePoint 2010 still has web services. Review this MSDN section for more information.