does anyone know if there is a large, fairly decent quality, 3x3x3 cube available in black?
i am talking about a mass-produced cube, as i highly doubt my budget would allow a custom puzzle at the moment.
i know there is a white "foot cube" available on lightake and similar sites, but i am after a black cube.
thanks.

Not yet. You can make one by your own:

a) Get a foot cube and dye/paint it black.
b) Use a 6x6x6 and glue pieces toghether.
c) Also you can extend the pieces of a normal 3x3.

More ideas to be posted soon!(I have a hard time thinking)

viewtopic.php?f=4&t=9825
It used to be at lightake but isn't there anymore, unfortunately.