The MK802 Android 4.0 Mini PC -on-a-stick is a small USB Thumb Drive-Sized Android "Computer" running the Android 4.0 OS powered by the AllWinner A10 SoC clocked at 1.5 GHz. The MK802 also has a mini-HDMI for 1080p video output to an HDTV. It has built-in 4GB of storage, but you can increase that via the microSD card slot for up to 32GB more space. It uses a standard microUSB port for power and has a USB 2.0 Host port. No word yet on exactly which model(s) of wireless keyboard or mice are compatible with the MK802, however.
The MK802 Android 4.0 Mini PC-on-a-stick is available for $74 with free shipping now, plus if you reach $100 you can take advantage of the $5 off coupon.
Coupon Code: "AEMAYLHM5"
Description: $5 OFF with $100 Purchase!
Valid from 5-16-2012 through 5-31-2012
If you're okay with a less portable solution and one that is running Android 3.1, you might want to consider the Logitech Revue with Google TV. It already comes with a terrific wireless keyboard/trackpad combo. You can get a refurbished one on-sale from Newegg here:
Or at Amazon: