The Nailbomb IS one of the most versatile rock pickups that BKP has. It does anything your heart desire. Maybe the VHII has better cleans and leans more towards the "rock" side. As TwilightOdyssey pointed out, the VHII might be more suited for you.
Still the Nailbomb works great for me, and I play in both a metal and southern rock band. Just a bit of tweaking on the knobs, and voila...