A good, solid start that avoids a lot of cliches. I'm going to be right interested in seeing how -this- Harry deals with various events, especially if the older, greyer, Harry blended with him brought back enough useful information to make things more "interesting" for those who would use or attack Harry. I'm definitely looking forward to more.
I should note that I gave a "Huzzah!" when I saw a new story by you.
Author's response
The problem is, I started this almost a year ago, and some things I thought new and interesting have turned up in other fics since then. Still, I think its a fun little fic