In addition to my post above, same media with great quality at 8x burn speed.

MID: YUDEN000-T02 (TG001158) Verbatim branded
Type: DVD+R 8x rated
Burned as: Nero Create Data Disc (ISO image 4482MB)
Possible burn speed: 8x
Burned at: 8x speed
Burntime: 8:42
Drive/Firmware: SOHW-1693/KS0B_ufb

Nice and clean...