MIMF

There's an online wood dealer that occasionally sells Pistachio fingerboards. Apparently it has a fairly high Janka hardness. I don't know anything else about it though.

I like Sapele, but have only used it a little. The interlocked grain could definitely give you trouble when routing, but if you work it out with climbing cuts and shallow passes if should do fine. It has much smaller pores than mahogany so you can finish it without a specific pore-filling step. Mapl...

Are you adding a separate fingerboard? Or are you planning on a one piece neck with truss rod installed from the back? Also, what kind of truss rod do you want to use? .75" is just right if you are adding a 1/4" fingerboard to the top. If you want the all maple look, you could make a finge...

"Is there a benefit to cutting out the side profiles and gluing them together? Or could I cut the top profile from the 6 inch face of the board(s)?" Depends on which way the grain is running through the board. Is it quarter-sawn, flat-sawn, or is it diagonally oriented to the end? One bene...