Amazon looks set to update its Kindle Fire 7-inch Android- based tablet with a much higher resolution displayin line with the Google Nexus 7, according to AllThingsD. The next-generation Kindle Fire would debut sometime in Q3 packing a 1200x800 IPS display, up from the current 1024x600 IPS display. This would give the new tablet a much higher pixel density of 216ppi, while also boosting the number of pixels in the device by 67 percent.