Not bad. You had some really good moments plus a couple epic fails

what I noticed
-you have good tracking & aim
-nice work on the scouts
-when you uncloaked at mid and the medic healed you, I understand the urge to stab him, but you probably should have ran with it and cloaked away or stabbed the demo
-How you got away with stabbing the sniper with the razor back, and still getting the backstab???
-expanding on the above...after that you used the revolver instead, good job!
-nice kill streak in the first part of the demo (even if 3-4 kills were after the round) lol
Other than that it looked pretty good. As far as pointers, well, I'm not the right guy to ask on that for spy-play, but good work!