A few Clashing chords, and a repetitive drum line
Ok first off, the piano clashes with the main synth quite a bit (chord-wise), plus the main synth is a bit too repetitive. The percussion is another thing that got me. The underlying snares were just too constant and hence annoying.
On the other hand, it is a pretty neat tune, and its not like its the same exact thing over and over. keep it up! :}