Turn your device into a wireless display for your desktop. Just install the host software on your home machine and you can use the extra real estate for all those clunky Photoshop palettes. The Wi-Fi connection can cause videos and even text entry to jump, but static apps look great.
WIRED Supports portrait, landscape, and mirror display modes. Mac and Windows compatible.
TIRED Can have driver issues with older Macs running OS X Lion. Lag becomes lethal on slower home networks.