To Someone who concern Compatibility issue!!
(The Chinese charaters becomes strange!!)
www.dv.com
Ralph Labarge burn total 209 pieces of recordable DVD discs and test them on 56 DVD Players at 5 diffirent labs.

DVD Players for testing:
Akai DVP1000 (1998)
Apex AD500W (2001), AD600A (2001), AD660 (2000)
Denon DVD1000 (1998)
GE GE1105P (2000)
Hitachi DVP305U (2000), DVP315U (2000)
JVC XV511BK (1999), XV523GD (2000), XVD723GD (2001)
Kenwood DVD404 (2001)
KLH DVD221 (2000)
Magnavox DVD611 (2001)
Microsoft XBox (2001)
Oritron DVD100 (1999), DVD200 (2000)
Panasonic DVDA100 (1998), DVDA300 (1999), DVDA350 (1998), DVDRP56 (2001), DVDRV20 (2001), DVDRV31 (2001)
Philips DVD621 (2002), DVD711 (2000)
Pioneer DV333 (1999), DV341 (2001), DV414 (1998), DV434 (2000), DV500 (1997), DV505 (1998), DVC302D (1999), DVS9 (1998), DVDV7400 (2000), PDVLC10 (2000)
Proscan PS8680Z (1999)
RCA RC5200P (1997), RC5215P (2000), RC5220P(2000), RC5400P (2002)
Samsung DVDM301 (2001), DVD511 (2000), DVD611 (2000), DVD709 (2000)
SMC DVD3308 (1999)
Sony DVPNC600 (2001), DVPS315 (1998), DVPS330 (1999), DVPS345 (2000), DVPS360 (2001), DVPNS400 (2002), DVPS550 (1999), DVPNS700P (2001), DVPS7000 (1997), DVPS7700 (1999), Playstation 2 (2001)
Thompson DTH1000 (1998)
Toshiba SD1700 (2001), SD2300 (2000), SD2700 (2001), SD3000 (1996), SD3006 (1997), SD4700 (2002), SD6109C (2000), SD6200 (2000)
Zenith DVD2100 (1999), DVD2200 (1999)

Test result1: Compatibility by Media Type (Passes ALL Tests)
3.95GB DVD-R for Authoring: 96%
4.7GB DVD-R for Authoring: 67 %
4.7GB DVD-R for General: 66%
4.7GB DVD-RW: 58%
4.7GB DVD+RW: 56%

Test result2: Test Result2: Compatibility by Media Type (Passes ALL Tests and Fails Some Tests)
3.95GB DVD-R for Authoring: 100%
4.7GB DVD-R for Authoring: 86%
4.7GB DVD-R for General: 87%
4.7GB DVD-RW: 62%
4.7GB DVD+RW: 50%

Test Result3: Compatibility by Media Type (2001, 2002 new DVD Players)
3.95GB DVD-R for Authoring: 100%
4.7GB DVD-R for Authoring: 94%
4.7GB DVD-R for General: 93%
4.7GB DVD-RW: 89%
4.7GB DVD+RW: 80%

DVD Player Performance: Perfect Players
Apex AD660
Microsoft XBox
Pioneer DV333, DVDV7400, PDVLC10
Sony DVPS330, DVPS360
Toshiba SD4700

I failed to add on jpeg pictures.