Thank you, briser, for asking this question! I have decided to get my nephew (me, essentially, since I will be the one caring for it...lol) a betta and have been doing a TON of research.
I saw the same tank setup on the Wal-Mart website and was wondering about it. It received great reviews (4.5/5). However, the heater didn't get the same kind of reviews. Most of the reviewers echoed iheartmybettas comment...couldn't get the temp above 74-ish.
So, I will be interested to hear what y'all think of the tank!
Oh, and this forum rocks! All the info that I have gone through has been absolutely amazing and informative...albeit a bit mind-blowing...heh. Thanks!!