I had the retina mini for a month. I exchanged it for an Air because web browsing on the mini was tedious for me. I loved the mini in every other respect. Its size and weight was wonderful. It was beautiful and elegant. Easy to hold with one hand. Fit everywhere, even in my jeans pocket. Which I wasn't expecting. It was a great e book reader. I also felt it was perfect for, and better than, full size ipad for tv and movies.
Ultimately, I spend an hour or two a day sometimes, not all days, reading the news and current affairs on the Internet. Since one would have to be crazy to pay one dime for any reading of any kind, except best selling books and perhaps a very few select mags.
I'm very happy with my decision to exchange the mini for the air. I really did love the mini. But I think it is important to minimize electronic clutter, even if u a millionaire. I needed an all in one device. Retina mini, though awesome, could never have been just for the one area it stumbled with me, the web surfing. I understand completely that for many of you it can't be beat in that regard. I think I am still used to a dozen years of a thirteen inch screen and can't and don't want to transition down to something that small for reading websites. The Air is so much more luxurious in this regard and also so light and sleek. I think the argument for the mini was better when the 4 was a fatass but now the full size ipad is so light I think that is one less thing goin for the mini