In order to actually get it ready for in-game use you would need modeling and texturing skills, as well as a program to use. I would recommend just making your current 2d map look pretty (use photoshop, gimp, PSP, or another high-quality photo editing program), maybe add some 2d concept drawings of what certain rooms would look like from a 3d perspective, etc. For starters, however, like they said, just scanning it in would be good.
:emerald:
