iPhone Touch Pad Pro
If you are lucky enough to have an iPhone you can now use it as a cool new computer interface! Have a look at TouchpadPro for more details. "Touchpad Pro lets you control your PC or Mac through your iPhone or iPod Touch. It’s got multi-touch capabilities just like the new MacBooks, though without the cost 🙂 It’s got all the features you asked for, including landscape mode, multi-touch