Best way to jailbreak Iphone?

I've been thinking about jail breaking my iPhone 4S. What is the best way to do it? Meaning which jail break is better. I know there are different ones out there just not sure which way to go

Go to redsnow.com and it is pretty simple.

If you're just thinking about it don't! Don't do it just because it's cool.

Have a really good reason to do it. Hopefully a legal reason. Most people don't need to jailbreak to get the functionality they need.