We were asked for some more heavy samples of your DARK and RECT profiles.
Some say the KPA is great for clean and low gain stuff not so great for heavy - I can't agree 
Playing while switching between some of the profiles from the DARK pack
Dark Preset Switching
Here is something DEEP DARK 
Drop C Sample
Armin sounds like you are on the right track. However, I think you would have much better luck if you got a guitar with humbuckers, I think single coil clips with tones that are meant for high gain and heavier style tones, does kind of an injustice to your clips. Do you have someone that could do high gain metal riffing with a humbuckers equipped guitars? Just a suggestion you might consider.
Ok gotcha, the recto clips just sounded single coilish to me, I was not listening through decent speakers though to be honest. I really dig the orange clips, I love the orange midrange, just had a great growl.
May I suggest getting someone who specifically plays metal and is well versed with dialing in metal tones to do the clips? I can't tell anything from these other than the fact that whoever is playing isn't a metal guy at all and that the profile is capable of producing far more gain than is usable.
Metal is not just drop tunings, scooped midrange, and cranked gain.
It's all a matter of taste 
I can only show some sound examples - since my packs include SO many different profiles - to almost get the complete digital amp captured.
There should be something for each taste.
