Kuzev generally makes nice remixes, even though I’m personally not much of a dubstep fan. Still, from the “battle music” folk mixes, I prefer the more cinematic ones:
(and more from the same OST)
And the foreign versions are usually quite good as well – like the Polish Percival (you know, I’m acquiring the opinion that Poland is quite amazing!), American Xena, Norwegian Thomas Bergersen/Two Steps From Hell etc.