I actually like this idea. Shorter fiction as a whole has become somewhat neglected in recent years (do in large part to the decline of most literary magazines and pulps). Novellas and Novelettes have been particularly neglected (in my opinion). That being said, these intermediate link stories have often been some of the best fiction I have ever read. Long enough to really flesh out a plot and characters, but short enough to force a writer to focus his story... no multi-chapter sub-plots that have only a tangental connection to the main story.
Of course, they already have a place on smashwords, but hey
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Bill