我比較在意的是已知問題

Known issues under the Windows 7 operating system
•PowerDVD may randomly crash if HDMI 8 channel audio is enabled.
•The image may freeze if HD video is played over an extended period of time.
•Some BD content my not playback smoothly using WinDVD.
•Star Wars Jedi Knight II / Jedi Academy may randomly crash during game launch.
•OpenGL acceleration may not always function with Adobe Photoshop CS5.
•High GPU clock speeds may be retained after exiting a 3D application.
•PowerDVD my display random jitter when playing a 1080i BD video with Aero mode turned off.

半數以上跟影片播放有關，這是怎麼回事....