No problem. I have ipad1/2/3 and rMBP. The screen isn't retina, no. You can see the pixels. Held next to a rMBP it looks a bit old-school. Held next to an ipad2 or 13" Air it looks really good (I tried).
To me, the size, weight, and finish quality are the key issues (and I was surprised how good all of these were). Sure a better screen would have been nice, but not at the expense of weight. I would be happy to use one. I so nearly just got one for fun, but I have already passed my ipad2 on to my wife and ipad1 on to my son, and have a spare ipad2, so there is a technical justification issue going on. I may well still go and buy one anyway, because it's so cute...
Next to the ipad mini, all the other (about 10-12 non-apple tablets) on the display felt like plastic bricks. Sorry, but they did. The mini is so much better than you expect it to be from the specs.