Pues he visto en la review de projectorcentral que nuestro W100 si tiene implementado el HDPC:

Compatibility: HDTV:
720p, 1080i
EDTV/480p: **
SDTV/480i: **
Component Video: Yes
Video: Yes
Digital Input: DVI-I (HDCP)
Personal Computers: Yes
Display: Type:
DLP (1)
Color Wheel Segs: 7
Color Wheel Speed: 4x
Native: 854x480 Pixels
Maximum: 1280x1024 Pixels
Aspect Ratio: 16:9 (WVGA)
Lamp: Type:
200W **
Life: 3000 hours
Eco-Mode Life: 4000 hours
Quantity: 1
Speakers: 2.0W Mono
Max Power: 285W
Voltage: 100V - 240V
FCC Class: B
Special: **
Status: Shipping
First Ship: Jun 2006

http://www.projectorcentral.com/BenQ-W100.htm

No sé , habrá que que seguir indagando.