Yay, new song.
I really like the riff throughout the song, however I felt like you could have done a little bit more with it towards the end (even though you did change the instrument, which was nice). The initial build up, to be honest, dragged on and when the next layer/track was added in, it didn't add much. The song possibly might have been better shorter? Anyway, let's look more on the positives now. The middle eight/rebuild up (I don't really listen to this kind of music, so I don't know what it's called) was definitely awesome, and excited me. Also, after this build up I was also supplied with lots of ear candy. I'd say this part is the best part of the song (which I guess in these songs is intended anyway), and the instruments used weren't as dull sounding as the ones at the start. I loved the WOOSH sound at this part, it felt used very professionally at the right point.
I may have missed some bits of the song out. Also, I'm not really a music critique so my writing is kind of all over the place :V
You should feel proud of this song. I will be adding it to my iPod tonight!