So can anyone tell me if the horizontal hold issue is an artifact of copy protection ?? or NTSC vs PAL ?

How can I tell if the DVD is NTSC or PAL ?? Below is an IFOEdit copy of the VIDEO_TS.IFO:

[00000000] VMG Identifier DVDVIDEO-VMG
[0000000c] Last Sector of VMG 5 [00000005]
[0000001c] Last Sector of VMGI 2 [00000002]
Specification version number v1.1
[00000022] VMG Category 0 [00]
[00000023] VMG Category, Regional Code mask 0 [00]
Region: 1 enabled.
Region: 2 enabled.
Region: 3 enabled.
Region: 4 enabled.
Region: 5 enabled.
Region: 6 enabled.
Region: 7 enabled.
Region: 8 enabled.
[00000024] VMG Category 0 [0000]
[00000026] VMG Number of Volumes 1 [0001]
[00000028] VMG This Volume 1 [0001]
[0000002a] Disc side 1 [01]
[0000003e] VMG Number of Title Sets 1 [0001]
[00000040] Provider ID MacTheRipper
[00000060] VMG POS Code 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[00000080] End byte of VMGI_MAT 1291 [0000050b]
[00000084] First Play PGC start byte (FP_PGC) 1024 [00000400]
[000000c0] Start sector of VMGM_VOBS 0 [00000000]
[000000c4] Start offset of VMG_PTT_SRPT 1 [00000001]
[000000c8] Start offset of VMGM_PGCI_UT 0 [00000000]
[000000cc] Start offset of VMG_PTL_MAIT 0 [00000000]
[000000d0] Start offset of VMG_VTS_ATRT 2 [00000002]
[000000d4] Start offset of VMG_TXTDT_MG 0 [00000000]
[000000d8] Start offset of VMGM_C_ADT 0 [00000000]
[000000dc] Start offset of VMGM_VOBU_ADMAP 0 [00000000]

[00000100] Video attributes of VMGM_VOBS 0 [0000]
Video attribute details:
Video compression MPEG-1
TV system NTSC 525/60
Aspect ratio 4:3
Automatic Display Mode pan-scan & letterboxed
CC for Line21-1 (NTSC only) no data
CC for Line21-2 (NTSC only) no data
Bit Rate VBR
Source Resolution 720x480 (NTSC)
Letterboxed top&bottom cropped no
Mode Camera
[00000103] Number of audio streams in VMGM_VOBS 0 [00]
[00000104] Audio_1: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[0000010c] Audio_2: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[00000114] Audio_3: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[0000011c] Audio_4: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[00000124] Audio_5: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[0000012c] Audio_6: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[00000134] Audio_7: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[0000013c] Audio_8: VMGM audio attributes 0 0 0 0 0 0 0 0 [00 00 00 00 00 00 00 00 ]
[00000155] Number of Sub-picture streams in VMGM 0 [00]
[00000156] Sub-pic_1: VMGM Sub-picture stream attributes 0 0 0 0 0 0 [00 00 00 00 00 00 ]

Thanks again..