Summary 
 
 
Help show some of the potential of using GSAS and EXPGUI.
Do the Experiment with GSAS!  (sample packings, different refinements)
Show other programs that can be of assistance - Platon, WinGX, Jana, VCTCONV, Powder v 4, etc
Many of the listed resources are available or mirrored at:
Thanks: 
- Bob von Dreele and Alan Larson - GSAS Rietveld
 - Brian Tony - EXPGUI
 - Ton Spek - Platon / Mark Bowden - Vctconv / Louis Farrugia - WinGX
 - Ian Grey, Gus Mumme, Bob Roth, et al - High-tech ceramic example