May is going to be a big HD-DVD month for Universal.

According to The Digital Bits, the studio recently announed two more waves of DVD titles for the month.

On May 9th, they will be releasing Assault on Precinct 13, Cinderella Man and Jarhead.

Then on May 23rd, the studio will release The Bourne Supremacy, The Chronicles of Riddick: Unrated Diector's Cut, U-571 and Van Helsing.

All of the movies will be "'HD-30' (single-sided) format discs, and will include English, French and Spanish audio in English Dolby Digital Plus 5.1 Surround, with English SDH and French and Spanish subtitles."