> The memory problem is now largely understood, and easily reproduced > under controlled conditions. Run top in Terminal.app, then run the FB > app listed below. Holding down the mouse in the window causes memory > indicators (such as RPRVT) to increase very rapidly. A definitive answer! At least we know the problem isn't in *our* code...;) Thanks for digging to the bottom of this - and hopefully Apple will consider it something worth fixing. Soon. - John