Show me good dubstep, my friends don't think it exists.

My friends think dubstep is shit. Show me the good stuff so I can prove them wrong.

These are a couple of my favorites:

http://www.youtube.com/watch?v=k0IsgyhPTNY (Ignite - Noisestorm) http://www.youtube.com/watch?v=uTdKEsyO2_0 (Intensity - Noisestorm) http://www.youtube.com/watch?v=VvUyPUfmwNU (Set me on Fire - Pendulum) http://www.youtube.com/watch?v=wo5qH5MHnsA (Halostep - Mart815 (best song ever))