It's the bassline it's missing recently. Whilst the strings are distracting the synths always flew over a very solid and dependable bassline - in the most recent ones it's almost as if someone hit "Vocal" on the eq before shipping it out.

http://www.youtube.com/watch?v=XhOCQ...os=6LHTA29VguE

No need to feel so lonely, everyone's addicted to bass