And we might never see it supported if there is only one studio or a handful of titles that offer it. At the very least, no one that has spent good money on their gear now can make use of it.
The bigger news here is this won't be a combo-only release like many were anticipating. Transformers, it looks like, won't be the release that pole-vaults HD DVD pasts BD this year. 1.x:1 and 2:1 ratios are here to stay for a while.