David, Micah, Static latching, I believe in Pirsigian terms. Ian On 8/15/07, David M <davidint at blueyonder.co.uk> wrote: > Micah > > Yes. And surely to reach a new level > you need evolution that retains past gains > and not merely destruction of existing SQ. At least, > you needsomething to replace the old SQ with. > > DM >