For anyone who's interested in a quality HD-DVD player, ecost has the HD-A1 for $380. Shipping is $12, but you can get $10 off of the purchase with a Google checkout promotion.
Link to ecost
I've had the player for almost a month, and I'm very impressed with it. For those who are a bit worried about some of the potential shortfalls of the HD-DVD add-on for the 360 (i.e. USB 2.0 bandwidth problems, processing HD video will cause significanlty more strain on an already delicate 360, loud fans on the 360, ICT rendering 1080i output impossible over component in the future, no advanced audio output because of a lack of analog and HDMI, etc), this is a way to get into the HD-DVD game without too large of an expenditure of $.