for acoustic instruments.
Oak has acoustical properties about half way between mahogany and rosewood. Good bendability and makes great instruments. But you will practically have to give them away.
Lacewood is the same and you will sell then easily (as long as you don't tell the customer that lacewood is a mutated oak species).
mahogany is softer and has a more mellow tone. Great for studio instruments since the recording proces seems to emphasise the trebble (especially the digital process).
Pecan and maple work great as does walnut. Butternut and persimmon also work great too.
If your talking solid body electrics then anything that is hard and stable would work good. Necks I prefer a 3 layer laminate of maple or maple and walnut.
I only have 2 instrument pics up on my site right now (digital camera is a new thing for me) but I will be adding more over time (like the electric uke with the shell inlayed fingerboard that I finished up 5 months ago made from maple and peruvian walnut.)