Great work! I like that you were able to show virtuosity in this piece without being crazy-energetic throughout; you started out fairly sedate and managed to slowly increase in energy, including a sufficient variety of techniques that the solo didn't get boring.
I would have to disagree with Biggyzoom in saying that I think the tone of the guitar could have been better: it was quite distorted, which didn't jell at all with the smooth, chill background. This got better when you spiced up the background a bit at 3:34. This is a pretty minor quibble, though--and the background works really well otherwise. I especially love the interaction between the guitar and the light touches of synth in the background starting at 3:34.
Very pretty piece, but still exciting in parts!