Rounded corners, or completely wacky UI shapes like the skinned views of latest MS Media players… That’s the sort of stuff that we need.
It would also be a way to drag arbitrary objects over the desktop… instead of just getting some lame cursor that doesn’t really show what is happening.
I think it is time to add support for windows with an alpha channel (even if it is restricted to 1-bit on some platforms) to Java. All popular windowing systems support this feature now, so it makes sense.
