You all have lost a grip on reality. There was no such thing AS an iPad LESS THAN 3 years ago. Somehow you want Apple to create miracle yearly now? Apple had be party to a few big ideas, the personal computer, graphical UI, iPod/iTunes, the iPhone and now iPad but that is over decades and decades. The iPad mini doesn't have retina this year because the technology to mass produce retina screens in a 7.85 doesn't exist AND is too costly. Apple didn't want to lose out on folks who wanted a smaller tablet so they made it non retina. Sure in 12-24 months as factories improve and technology improves and apples prices go down they will release a retina mini for $329 or gasp, $299 but until then enjoy the iPad mini in its current brilliance.
PS: none of the android 7 inch tablets have a resolution equal or approaching the level required for an exact 4x pixel doubling of an apple iPad screen... They can't do it either.