The D-2000wn has been discontinued by Inon Japan, Inon America is sold out, and we have 1 left... Actually we were sold out yesterday, but another customer switched his order to the z240, freeing one up.
The line has been pared down to the D-2000S (optical only, S-TTL & 13 power settings, no focus light$459), the D-2000 (optical only, S-TTL, External Auto, 13 power settings, focus/aiming light, $539), and the Z-240 (optical & electrical, S-TTL, External Auto, 13 Power Settings, focus/aiming light, $749).
The D-2000WN was really popular for us, fitting in right between the D-2000 and the Z-240, and I'm sorry to see it go.
Give us some notice when you are in the area, and we'll make sure we have in just what you are looking for. Also don't be surprised to see us on the boat giving a brief underwater photography presentation before your trip!