I'm eagerly awaiting Guild Wars 2 as I guess many of you are

I have played Guild Wars 1 from the day of its release in Europe and finished the classic Prophecies campaign all those years ago and do no longer play the game. I do not currently own any of the consecutive campaigns/expansions that were released.
Today I came across an article regarding the Hall of Monuments and how it will affect Guild Wars 2. The God Walking Amongst Mere Mortals title was mentioned as well and immediately caught my eye, it is without a doubt the most badass title I have ever seen in a game.
Now my question to you guys is the following, if I buy all of the Guild Wars 1 campaigns/expansions now and start with a new character (I highly doubt I have any resources left on my previous ones) how long would it take me to get the GWAMM title?
I have read that getting this title is no small undertaking, however I am one of those people that really likes collecting mini-pets, titles and similar things in games. I would be willing to put some effort into it but it depends on how much effort that would be as well. If it takes me 6 months of playing 5 hours a day then I would rather spend those on Guild Wars 2, assuming it has been released by then.
Any insight you could offer me would be greatly appreciated.