I grabbed a VM Jazz bass last week, which I loved (and still do love Jazz basses in general), but after setting up a couple of P-basses for a couple of customers over the last few weeks, I realised that a P is more in line with the bass tone that's in my head.
So Nick took my Jazz bass off my hands, and I grabbed this Classic Vibe 70's P-bass, and threw a SD Quarter Pounder up in that bitch
And it sounds like this...
It sounds great, and even for non-aggressive music (or "less aggressive", let's say) it sounds badass. Very grunty, grindy, clanky awesomeness.
EDIT: huh... those pics didn't come out so great, but it's basically this:
but as you can see I've taken the ashtray bridge and thumb-rest off.