Video: Matthew Miller recently gave high praise to this class, when he posted that David Baldacchino’s class AB412 Navigating Through the Storm Using Coordinate Systems in Revit “has been the best explanation of shared coordinates, that has helped me understand them.”

Matthew also provides these useful links:
Blogs Talking about Survey point in Revit
Understanding Shared Positioning in Revit

Shared Coordinates

Project Base Point Manipulation

Revit 2013 – Project Points, Survey Points, Revit Coordinates

via

Revittize: Set the Revit Survey Point

Creating lighting families for accurate rendering in Revit is challenging at best.  This recent post by Dave Baldacchino is a bit of an exploration of ways you can try to “fix” manufacturer content and improve the resultant rendering.  For example:

Original post (the five points at the end of the post are definitely worth keeping in mind, especially for manufacturers creating Revit lighting families):

HOK BIM Solutions: Manufacturer Content – Lighting