Looks like, despite the hype, LG's new hybrid Blu-ray/HD-DVD player could be in a bit of bother.
[It] will not receive certification from the DVD Forum. Without such certification, LG cannot publicly claim the player supports HD DVD as it is doing now.
The problem stems from the lack of support for HDi, the advanced interactivity technology used by HD DVD. LG has only included support for BD-J, Blu-ray's interactive menu system, in the BH100. Without HDi, only the video content from HD DVD discs will play back; menu systems and other interactive features will simply not be usable.