Amazon Kindle Fire Key features :

7" 16:9 IPS LCD capacitive touchscreen of WSVGA resolution (1024 x 600) pixels
Wi-Fi 802.11 b/g/n connectivity
1GHz dual-core Cortex-A9 CPU, PowerVR SGX540 GPU, TI OMAP 4430 chipset
License-free Android-based OS
8GB of on-board storage, free cloud storage for all Amazon content
Weight of 413 grams
Accelerometer
Excellent HTML5 browser
Adobe Flash support, Flash videos up to 720p
Standard microUSB port, mass storage
3.5mm audio jack
Amazon Kindle Fire Main disadvantages :
No 3G
No memory card slot, limited inbuilt storage
Reflective screen of poor brightness
Very limited video codec support
No camera
No physical volume controls
Non replaceable battery
No native Google apps, no access to the Android Market
Some features unavailable without an Amazon Prime account
Video streaming not available outside US