A Guild Wars Question / MMO Recommendations

Let me first say that I've played Guild Wars Prophecies and I find myself coming back to it, either to embark on a new journey with a new character or continue and improve with a current character. I'm aware that the third installment of Guildwars (Nightfall) released a couple months back. I just wanted to ask which game (Nightfall or Factions) should I purchase next. I can only purchase one for now due to shortage of money. Please take the poll and explain your reason for choosing so. Thank you :)

Also, feel free to recommend an MMO you may like to me and why. Thanks again!

Your input is appreciated :)

Anyone else? 

Also, I need some recommendations for other MMOs.  Thanks 

Nightfall for certain, get those Heroes my good man.

Factions has some great skills, but a Prophecies/Nightfall combo gives you great skills.

In PvP, Nightfalls skills like Savannah Heat, Searing Flames, Light of Deliverence, Zealous Benediction, and Burning Arrow are all the rage in the game now.

PvE is better in Nightfall also but it really only gets going once you reach Vabbi.

I just bought nightfall, and both just went on sale

http://www.cheapassgamer.com/forums/showthread.php?t=131417&highlight=guild+wars