The used font is Bitstream vera, which looks very similar to tahoma The desktop is a XPShellListView control, that means that is based on the XPListView control will be used to build the explorer and that uses the XPDirectoryMonitor, a component that maintains an update list of files from a directory and it gets notified about changes without polling or using FAM The desktop now repaints faster. The taskbar is also completely new, is built using bitmaps.
The window manager is new, it also allows you to use themes, including rounded window frames.
