If it was me, I'd go with plain old Chrome, or if I wanted to add a splash of colour, Burnt Chrome.
I prefer Chrome to Nickel because it keeps its "shine" - Nickel ages & looks a bit grubby to my eyes, though some would call that "the vintage look" (I like my guitars to look new). Also Nickel has a slight yellow-ish tinge in natural light but chrome has a slightly blueish tinge which looks better with the black of the guitar IMHO...