Yay! Post of Awesome!
I think you mean "Barrier" and you'll find out what the loyal is for later. As a helpful tip, remember your matchups of the enemy health type and your skills, always seek cover, and don't forget to command your squadmates to use their powers if you need it. Mapping the powers to shortcut keys helps too.
Does Cerberus look like is has Psyche Wards? [/rhetorical]
Oh, I LOVE the quarians. The awesome accents, the cool suits, the element of mystery with the hidden faces. They're my favorite race.
Wait till you get a bit further in. Some of them get really tricky. But, you're right. Finishing the game... ah, its like a highlight of my life or something.