RE: other-window-or-buffer

[Drew Adams]

    > "Switch to the next window, or, if there is only one
    > window, the next buffer.
    > If done repeatedly when there is only one window, keeps getting
    > different buffers from the buffer list"

    If you want to cycle through buffers, have you looked at the M-x
    iswitchb-mode minor mode?

There are many ways to cycle through buffers. Have a look at this discussion
and comparison: http://www.emacswiki.org/cgi-bin/wiki/SwitchingBuffers.