I've played a lot melodic death, both in the studio and on stage, and my favorite pickups are Nordstrand MM5.2 (was playing a 5 string).
Like others have said, you can play metal with any bass you want. Here's what I was playing with during our last two years (a custom Lecompte VB-5):
Like others have said, you can play metal with any bass you want. Here's what I was playing with during our last two years (a custom Lecompte VB-5):