Track mob kills / loot drops

[Nahkohe]

Hi:
I'm wondering if anyone knows of a mod that would help me track selective mob kills / loot drops ? This morning I've been huntings spiders in Arathi to get Spider's Silk so that I can craft some Boots. It's maybe a 10% drop. Having a way to track drop rate by mob and mob kill loc would be invaluable. I don't necessarily want to track/map all mob kills - imagine the bloat, just certain types so a purgeable list would be great.

I searched here and Curse-Gaming but couldn't find anything like this.

Thanks,

Nahkohe