DeepDiscount.com have to different HD DVD sales on Universal titles. The first is up to 57% off, which means that a lot of titles goes for only US$12.20. This sale ends March 27, 2008.
The second sale is 47% off, so titles goes for US$15.98. This sale ends April 4, 2008.
So even though it looks like HD DVD have lost the battle against Blu-ray (read more on Engadget.com), you can get some great titles now.