I spend a fair number of hours playing MMO's, but I don't do so on any fixed schedule, which rules out traditional raiding. The things that do motivate me to continue playing are new experiences, such as:
- Story, if presented in a non-scheduled format (like WoW's EZ-mode PUG raid finder)
- Alternate advancement or similar (including more regular advancement in the case of my SWTOR character, who is still two levels shy of the game's cap)
- Perks and bonuses for future characters
I maintain that Bioware has not done a bad job in SWTOR. Many MMO's try to sell the player on multiple characters using additional leveling content the devs needed to build anyway, but SWTOR is the first game where I'm not only working on my second character before finishing my first, but even have plans out to what order I would tackle all eight of the class stories in. The catch, as Bioware completes their server merges (123 US servers will trans-merge down to 12, while 88 European Servers condense to 11 according to Darth Hater - nearly the worst case of the scenarios I examined last week), is that this continues to be a recipe for a nomadic population which is less well suited to longterm MMO communities.