I'd wait to see the scenes in context before jumping to too many conclusions. From the little we've seen, Finn seems to be desperately running from a whole lot of folks on his ass--first Order troopers, Cpt. Plasma, and now Kylo Ren--so he probably is barely getting a breather. I don't know if he's force sensitive or he's using the only weapon handy to take on a dark sider carrying a glowing stick of three-pronged death. I'm hoping the former. Rey is clearly going to be the star of the trilogy, and likely the primary heir to the force. I'm assuming she is Han and Leia's daughter, but she could well be Luke's long lost kid since he's supposed to have been in exile and she looks like she's been growing up possibly as a scavenging orphan, Ren might be her brother or twin but not sure if they want to go separated twins once again. If she were Leia and Han's daughter, she would have grown up with them. Also, as Luke's daughter she would be a Skywalker as opposed to a Solo. Glad they are not revealing too much, but I will be amazing if they can keep it up until the release.
