Want to learn more about LightSwitch ?  Check out these whitepapers:

• http://bit.ly/vslsoverview   The first paper provides an overview of the
  product and some analyst-type chat on why the market needs LightSwitch, albeit
  with screenshots that make the discussion concrete.
• http://bit.ly/vslsfirstapp    The second paper takes you through creating your
  first app.
• http://bit.ly/vslsdata    The third paper goes deeper on data design and
  management.
• http://bit.ly/vslsui    The fourth covers screen and navigation design
  details.
• http://bit.ly/vslsextensions    The fifth covers extensions.

Each of the five topics actually has its own home page within the LightSwitch site, with a number of resources.  Here are those links, should you be interested:

http://www.microsoft.com/visualstudio/en-us/lightswitch/overview

http://www.microsoft.com/visualstudio/en-us/lightswitch/overview/build-quickly

http://www.microsoft.com/visualstudio/en-us/lightswitch/overview/get-more-from-your-data

http://www.microsoft.com/visualstudio/en-us/lightswitch/overview/wow-your-end-users

http://www.microsoft.com/visualstudio/en-us/lightswitch/extensions

Terry