It's very sad to see Gabrielle go, especially as she had the most vivacious and adventurous personality, so she was very special to him. She stands out in my memory, at least. While I'm not at all happy with her death, I can understand why it should happen. Death is something we all have to face, especially Harry, and also us, the readers. I was very unhappy, and I expect a lot of others were too, with some of the deaths She-Who-Must-Be-Named (that disclaimer made me lol, by the way XD) put into Deathly Hallows, if she wrote a sequel I would still read it, just as I'm still going to read yours. Also, at least Gabrielle got a proper sending-off, both in the dream world and in the "real world". It's a very small consolation though; I still don't like that she died.
Onto lighter topics: you had me going back and forth as to whether the mystery girl was Ginny or not, and in the end it was a bit of both - bravo, I didn't see that one coming :) (although I did figure he would notice that the other girl felt and sounded different)
Sauron, and Darth Harry? Come on, that's a bit much! I suppose as long as he doesn't start Force Choking anyone I can move past it, though. Although there was that incident with Ron...
Grammatical error: when Remus and Tonks approach Harry, you have it written as "the Remus and Tonks" instead of just "Remus and Tonks". It's not the first time I've seen that in the story, though I don't remember where else I saw it. I don't mean to be rude, I'm just genuinely curious, but is this translated from another language?