The second-hand price of the Korg SF2 remains low—often between , depending on condition and whether the floppy drive still works. compare that to an MPC2000 ($1,200+) or an SP-404 ($500+), and the SF2 is a bargain.
If you love the idea of the SF2 but want a practical tool, consider: korg sf2
The SF2 never became a stadium staple, but it found a home in: The second-hand price of the Korg SF2 remains
Since you typed "Korg SF2," the most probable scenario is a for the Korg SG-1 or SG-2 Stage Piano. 200+) or an SP-404 ($500+)