How important is Brining to a Turkey?

Turkey season is fast approaching and since many people cook one a year you really need to get it right the first time. Most people will tell you that brining a turkey is the best way to go no matter how you cook that bird. I know that a lot of you have many experience with turkey and with brining so I thought I would ask how important you think brining is. Do you find it vital to a good bird, or does it ruin a good turkey? So please click your answer to:

POLL: How important do you think brining poultry is?
1) Vital to a good bird
2) Really helps out
3) Makes it a little better
4) Really doesn't make a difference
5) Actually makes it worse
6) Ruins a perfectly good bird