Since some days I have this 3D monitor, it's a passive monitor with LED backlight, very bright, ANTIGLARE (!) display.
Delivered with two pol glasses, exchangeable with Zalman, LG tv, 3D cinema glasses for 1.
No expensive shutter glasses for 120 needed, no battery, no charging.

Connecting to PC - and it works .. with every software ... StereoPhotoMaker, StereoMoviemaker, Stereoscopic Player,
PowerDVD10, PowerDVD11. PowerDVD also converts 2D to 3D. Included is also Tridef 3D soft (I don't use)

Price is ~ 280, included are VGA-cable and DVI-cable, monitor also has HDMI (1.4)

Passive monitors:

Zalman (glare display)
Zalman 19" 1280x720 180 (not available, old model)
Zalman 22" 1680x1050 220 (not available, old model)
Zalman 21.5" 1920x1080 350 - 400
Zalman 24" 1920x1080 450 - 530 Monitors&categorySecond=

LG (non-glare display)
LG D2342 23" 1920x1080 280