Had a little bit time this evening. Not enough to do anything serious with Smalltalk - but enough to answer a question on the Squeak mailing list by writing a simplified "Handy Simulator". It's only behavior is to switch the screen on and off by using the power button.
It's a nice example of using morphic to build a customized user interface. The package is registered on SqueakSource and can directly be loaded into squeak using the SqueakMap package browser.