Harry using AK curse?? Yes.

[allies426]

No: HPFGUIDX 136770

--- In HPforGrownups at yahoogroups.com, "eggplant107" <eggplant107 at h...> 
wrote:
(snip)

<<<At any rate, if Harry is still alive at the end of book 7 (and
I rather doubt he will be) he will have nightmares till the day he
dies as well as a gnawing sense of guilt when he contemplates what he
had to do in that war, most soldiers do.>>>

That's part of the reason I don't think he will be the one to do the 
actual killing.  The author loves Harry.  This is a work of fiction, 
after all, she doesn't have to make him do the killing and have the 
nightmares if she doesn't want to.  And she certainly doesn't have to 
kill him off.

Allie