This is really two questions:
(1) Are there any archives of hacks for the Roomba?
(2) Are there any hacks that are actually meant to be useful for vacuuming?
I would like a "rug cycle" that vacuums a rug; it should detect the edge of
the rug (on wood or tile floor) and turn to stay on the rug. I imagine that
other people can think of other utilitarian hacks; it would be great if these