[The Old Man]

There are only a few but here they are after using it for about 5 hours:

It is heavy. I know, only 1 1/2 pounds but you can't use it with one hand for long. It must be placed on your lap, legs, desk or somewhere.

I have not been able to load a pdf file. This is a major flaw. Perhaps I am missing something or perhaps it will be corrected. If Apple forgot this then they weren't' thinking.

You will need some kind of case. It is dangerous to carry this thing around. It is slippery, smooth, with curved edges just longing to slip on the concrete. Same as the iTouch. Buy a case.

So far - that's it!

One more - it does not charge while connected to the computer. You must use the small supplied charger.