We'll start off with the lesser known of the two. Also I can't embed the second one, so yeah.
ON/OFF by Buttress Root Drumming
So that one's a bit more of a classic dubstep, but what really got me was the trumpet line coming in at 2:25. This next one is classified as glitch-hop/midtempo, but it has some of the sickest drops I've ever heard. Like I said, I can't embed so hit the jump.