Starting August 1st, the Xbox 360 HD DVD player will be priced at $179 (U.S. only) Plus, you can also get five HD DVD titles for free as part of the ‘Perfect Offer.’
Details about the current five free HD DVD ‘Perfect Offer’ are in this PDF file.
Edit: More details here on this and that 300 will be coming to the Xbox Live Video marketplace in August.
Posted from SeaTac Airport, Main Terminal.
Edit: I have an update on the Target / Blu Ray confusion here