I have a 40" 1080p Sony LCD that I'm trying to connect my Macbook Pro to (DVI to HDMI) to view movies, etc. When I connect the TV and open up the 'Displays' preference pane on the Mac, I am able to select 1080p as the resolution and use it fine as an extended desktop. However, if I select 'mirror display' I get two black bars on the sides of the TV (as opposed to the screen being filled in extended desktop mode). Looking at the Display preferences, I'm still able to select 1080p as the resolution for the Sony LCD, but it says "1440x900 useable resolution" underneath my selection. What's the dealio? Any help would be appreciated.