I never had the opportunity to compare the gtx460 to the gtx465, but I am sure everything you want above will work with a gtx460... I have been using one since last year...
A mini HDMI -> HDMI converter will be provided with the card...
When I first did my setup, I connected the mini HDMI port to the AVR, and used a DVI -> HDMI cable to connect to the TV...
I never had the opportunity to compare the gtx460 to the gtx465, but I am sure everything you want above will work with a gtx460... I have been using one since last year...
A mini HDMI -> HDMI converter will be provided with the card...
When I first did my setup, I connected the mini HDMI port to the AVR, and used a DVI -> HDMI cable to connect to the TV...