This is a great deal at the moment in my opinion:
http://www.warehousestationery.co.nz/is ... =OfferList
Smaller than the Kmart one but it should be a lot nicer to use
This would be a really nice tablet but it is a jump in price over the Kmart one: http://www.noelleeming.co.nz/shop/compu ... 22668.html
At the end of the day all android tablets will 'do' the same things, but the better brands will do it a lot smoother, probably better battery life, clearer screen etc. I guess what's important to me may not be the same as what's important to you, so I would recommend trying some in person and pay attention to the picture quality, see what the build quality feels like etc