While Lion is missing the Save As feature, you can restore it to an extent using custom hot keys.
Potential culprits include WoW.
Or Command, Option, and Shift keys on OS X.
You can't beat the price of Anker's thin keyboard for the iPad Air, but serious typists should invest in a better option.
Pricing not available
FrogPad has launched the successor to its one-handed keyboard, a streamlined Bluetooth device that offers a complete range of keyboard functions with just 27 keys.
For sheer typing responsiveness, the Logitech Ultrathin Keyboard Cover for iPad Air is still a pro. But, even with its new tilt-angle design, it's no longer quite as unique as it used to be.
It can be hard to quickly mute or otherwise change your media while it's playing, but Media Player Hotkeys makes it simple to set up keyboard commands that work with different players.
Force-quitting an application can be done directly with one keystroke, if needed.
There are several options for taking remote screenshots and specifying what to take a remote screenshot of in OS X.
If your mouse cursor disappears or freezes but the system is still responsive, then you can likely remedy the situation without hard-resetting your Mac.