I was just wondering about one odd behaviour:
if I have a very old plugin in use, that seems to have no homepage link, the upgrade link always points to the sidebar widget.
i.e. I have the apple sidebar trailer widget and on the plugins page below the plugin it says:
There is a new version of Apple Trailer Sidebar Widget available. View version 1.2.1.20070210b Details or upgrade automatically.
while the link to view version goes to: http://wordpress.org/extend/plugins/widgets/