The Archos tablet is pretty good and it lasted a good while until the part that you plug the charger into stopped working, so now he isn't able to really use it much. He used it for a long time, but as a cautious parent I don't allow longer than 1 - 2 hours a day use on a tablet for my kids. It's not a babysitter and shouldn't be used as one. He has a lot of games on it for learning to read better, as well as spelling words, and more. It's Android friendly which is a plus. We bought this one online for about $220 I think it was.
The Azpen tablet was cheap and isn't the best option for a tablet at all as it's very slow. It let us load onto it a good few apps like the Archos one did, but it's much slower to load to be able to play and freezes sometimes, and doesn't keep a good charge. This one I bought with a gift card I got for payment from Best Buy for $69.
I am looking at getting them new ones in the upcoming year or so and would love some feedback from users that have tablets for their older children ages 5 and up on which one would be best.
The brands I am looking at getting for my kids that are $300 and under are:
Samsung Galaxy tab
The tablets I am looking to choose from $300 and below: