We don't know for sure how good the Nook touch is or not. We have only seen a few clips from B&N people or press. I would wait a bit and get more and longer reviews from end users. If there are some bugs or not, they will tell you for sure here or online.
So far, it looks like a nice reader. They improved battery life and I believe there are physical buttons as well, but besides that, there is not much else that someone can provide in terms of end user experience.
I would also recommend you to buy or get an widely International reader. Nook is being marketed for USA customers only. So, unless you are willing to pay shipping back to USA from your country (which probably will exceed original cost) I would think about getting a Sony or a Kindle instead. Of course, you are entitled to buy whatever you like or want
... but getting something that you have customer support on your own country makes things easier when problems arise.