Trueno86,
I wouldn't take too many of the comments here to heart (including mine). The majority of this forum are against all-terrains. That is possibly because this is a tire sales forum in a way, so the owners obviously want you to buy two sets of tires (one for summer, one for winter). The reality is, unless you get tons of snow, there is really no need for winter tires. All-terrains perform fine in snow. Do they perform as good as winter tires? No. But it's a balance and saves money. And if you drive safely, you will be fine. People in this forum have tried to pull the "Yeah, a few extra dollars, but this is your life we are talking about". That is the typical argument used to make people go out and buy two sets of tires when they don't really need them.
I would look around your city and decide if you really need winter tires. Forget about rain, all-terrains do awesome in rain. So just count how many days a year it snows or gets icy out. Out here in Vancouver, where TireTrends is housed, it only happens 2 weeks a year (right now). Yet, tire companies still push winter tires like mad.
Bottom line is, Winter tires are like ABS breaking. If you know how to drive, you don't need them. But if you are a newbie who likes to slam on his/her breaks all the time, or likes to drive 80kms/hr in a snow blizzard, then get the winter tires ..... and for the love of god, get ABS too!