Here's another new piece of documentation that's pretty cool. There aren't any pretty flowcharts in this one, just old fashioned text based information:
Choose Between a Standard and Branch Distribution Point
Topic last updated—November 2007
Although they are not limited to installation in branch offices, Microsoft System Center Configuration Manager 2007 branch distribution points are specifically designed to support branch offices, which typically have fewer clients and use a slow network connection.
Configure a distribution point as a branch distribution point if any of the following conditions apply:
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