Besides the game randomly shutting down my pc I am madly in love. The prologue is a little long but I just got my ship (did space missions, awesome!) and I thought but one thing. Mass Effect Online. I played Trooper and I'm hooked, the combat is really diverse with all the different skills and my moves feel real good to execute on enemies, healing is done very well too for as far as I could tell. Nice mix of doing damage and healing, not just running behind the group healing them while they do all the fun work.
Yeah this game is very GPU/CPU intensive but it seems like your card is overheating. You should look into cleaning the dust out of your GPU...it's never a good thing when your PC gets shut down.
Also enjoying this game too. level 14 bounty hunter and really kept me intrigued in the storyline.
If you ever get a sense that the enemy team or your team will be ignorant assholes, you could /ignore enemy or /mute enemy. You could easily mute individual people now by holding down Tab and click on the button on the most right side of the scoreboard to ignore them. After you play a few dozen games, it becomes more easy to brush them off. Just play for fun!