The ME3 items that one gets when you finish the ME3 demo. They better be damn good.
The daggers you get are actually not that bad. I was already level 14/15 when I picked them up, and they were like the second or third best finesse melee weapon in my inventory. Would of been nice to have them before I was like a third of the way through the game though. However, they do look absolutely badass. The blades look like the omnitool blade.
On the topic of the ME3 demo, the single player part was a lot shorter than I expected. Though, they probably didn't want to spoil too much. Also, I am fucking LOVING the firefight/horde-esque multiplayer. I've actually found that I'm pretty good at it too. Had one match where me and one other guy survived 7 rounds alone and almost survived the 10th and final round when a third guy joined us during the 8th round.