HD DVD was the first to get players out on the market, but Blu-ray seems to be the one getting out the content (PC Pro):

More than a dozen studios announced in Tokyo yesterday that 75 films would be added to the Blu-ray roster, including The Da Vinci Code and Chicken Little, although only two of these, Warner and Paramount, also plan releases for HD DVD, alongside Universal which has until now eschewed Blu-ray.

As a result, some 80 per cent of high-definition titles will be Blu-ray, despite HD DVD having narrowly beaten it to be the first to have a player on shop shelves.

It is gonna be real interesting to follow the IFA Expo the next following days. Hopefully the battle will end then already, and we can all go out and buy the next generation DVD. I have recently tested both new formats, and I find Blu-ray a little bit better…