#3
Sounds good if you like that sort of thing. I wouldn't call it "hardcore" necessarily, though.
the dentist sighed and said "son were gonna have to take your last good set of teeth."
#4
That's not really hardcore.. Kinda just rock. It's good though.

EDIT: I don't like the drummers bass drum.
Gear:

Crappy Samick Guitar
4x12 Cabinet
Guitar Rig 2
Computer
Peavey Bass
Bass Master 200 Watt bass amp