Party poker sucks. They have horrible scuffle security, an ugly interface, and no big free roll tournaments. It might also be rigged because once u sign up for an account you will amazing cards but then you won't.
If you want better poker that prides themselves on security go to www.pokerstars.com
Pokerstars prides themselves on scuffle security, has a sleak and attractive interface, and freeroll tournaments with 6000-8000 people. Also pokerstars was created by a poker player so its made by a poker player for poker players.