at this moment, all party based activities are initiated (or could be initiated) via the dutu finder, which automatically groups u up with ppl across all other servers. so, at this moment, you dont have to join any guilds to do the important contents.

i'm a law student and i understand your plight. but so far it's been really friendly on schedules. i would come home, log in, do a few story quests and a dungeon and log off (ye, ridill had been easy to log in until the weekend).