Mark H. Anbinder writes, "Many users will be disappointed to learn that the offer of a free 7.1 update to those who bought System 7 since the beginning of September applies only to those who bought a System 7 Upgrade Kit package. Users who purchased System 7 as part of a recent Macintosh purchase must pay separately for the update. It seems to us that, as long as Apple is claiming that we've been paying for the system software within the price of the Mac all along, they should not distinguish between system software purchase approaches in deciding who deserves the free update."
Wake On Demand in Snow Leopard
Putting your Mac to sleep saves power, but it also disrupts using your Mac as a file server, among other purposes. Wake on Demand in Snow Leopard works in conjunction with an Apple base station to continue announcing Bonjour services that the sleeping computer offers.
While the requirements for this feature are complex, eligible users can toggle this feature in the Energy Saver preference pane. It's labeled Wake on Network Access for computers that can be roused either via Wi-Fi or Ethernet; Wake on Ethernet Network Access or Wake on AirPort Network Access for wired- or wireless-only machines, respectively. Uncheck the box to disable this feature.