I like Labella Deep Talkin' Flats personally.
Remember, the fretboard material isn't as big a part of your tone as a lot of people make it out to be...unless of course you are talking about a fretless bass.
On a fretted instrument, take a look, the strings don't touch the board

It's just the combination of the wood with the rest of the body that alters the tone.
Now, as for the strings, the labellas are pretty high tension, and wonderfully glass-like smooth.