On Mon, 27 Apr 1998, Knight_Hawke wrote:

Otherwise you'd know about the 'Virgin Circut', a special device that when
the Saber Marrionette gains special experience in life itself, they will
become full fledged females...

If you mean they'll turn into humans, this is wrong.

To explain what will actually happen when they get enough experience would
be a spoiler, though, and I won't mention it.