All due respect, but what you are complaining about is rubbish.
This is the whole point of version 2, 3, 4, 5 etc etc. See where I'm going?
The physical and software jump between 1 and 2 really is a big improvement. Not the best, but pretty big and noticeable.
Ok, the camera is pretty poor, and it might not have retina display, but heck, this is what version 3 will address, and then, when version 3 is released there'll be a whole load of people like yourself complaining there wasn't enough done and you'll have to wait until iPad 4. Then the same until iPad 5, 6, 7 and 8 etc etc etc.
You see? Have a bit of patience and if you don't like then don't buy. Not all features suit all people. And Apple certainly won't cram every top of the range item into the one device. For me for instance, the camera is only for skype, which it's great for. I don't want a high res camera or retina display.
And about retina display - it's a faff in reality for larger screens. For anything over 1024 I really don't think it's needed. What the iPad needs (or would be good) is a higher res display. Not a double res display. What a waste. Not needed at all.