If you just want to root : easiest is Supercurio

If you want to root and install recovery same time : Chainfire

If you have been following this thread , you will not see any user using the same method. Different user has different needs and they choose the method that meet their needs. If you do not know what are your needs, probably you don't even need to consider root. Please read the brief lines I wrote about rooting in page one and the few recommended links about it. You will get a clearer picture than whether you need to root or not

i used the tutorial using Superoneclick. it's quite easy to follow.

I'm using CF Root V4, quite easy, also come with ClockWorkMod recovery.
Complete guide can read from here

I follow the xda CF-Root guideline, pretty straight forward and easy.
Oh ya, Uncle benny updated the newbie-friendly guide at 1st page too.
You might wan to head there have a detail read