3D Printer - Available Printers

Before I make a wrong move, can someone comment on the following
printers that may be available: (1) HP 500 DeskJet B/W Printer. How
will this printer compare with those currently discussed? (2) HP
LaserJet or LaserJet4. I find that others are working with 3D Laser
Printing and are apparently using desktop printer techniques. Also, a
variety of materials can be used to build the final product. Can the
LaserJet be handled in a similar manner to the ink-jet printers?
Thanks - Al Daniel