It's always best to step away from the dog for a little while to think about it. It's so easy to say yes while petting the dog, but if you go home and think about how much time and energy is needed, then you will really know if your ready for the new addition to your life. I am rooting for you too as I just got my little Husky puppy. I have wanted one since I was young and now that I'm out of college and am getting settled into life I now have the time to dedicate to him. It's not fair to any animal to not have the room and attention they need. So if you feel you have the space for the dog and are willing to commit to spending many hours with your new compainion, then go for it.

and thats my two cents.