Tablets Questions & Answers

I am looking to give my wife a tablet for her birthday. She has an old Sony e-reader that really should be put to pasture. I was thinking of a 7" tablet. It really isn't going to require a lot of oompf. I have eliminated to a 7" tablet for the reason of portability over a full 10" sized one. Considerations would be:

1. Portability (size/wt)
2. Screen quality - nothing more annoying than screen glare when you are trying to use a tablet
3. build quality - durability.
4. affordability.

I was leaning to a 7" Samsung galaxy tab I think it was the 6810. A kindle fire would be cool, but not useful in Canada yet. And the Nook just plain isn't going to cut it. I know the dual core Samsung processor is really overkill for books, but it will give the option for games, and movies, and all that other fun stuff.

Or, would I just be better served spending $150 less on a single core 1GHz Lenovo 7" tab? The geek in me says single core is a waste, but the practical side says go with the single core. Then the geek part of me says, whoa.... you don't even use a single core phone.

Suggestions please. Any alternatives would be appreciated.