I'm trying to do a setup that would have a single PC that can give output to multiple 1080p TVs. There's 2 TVs right now, but plans of adding more. What I need is to have the TVs use thier 1080p capability. Would I use HDMI, or a VGA connection? What kind of video card would I need to be able to have a single video/PowerPoint to be seen on the two TVs in 1080p. What kind of setup would be best for this? Cost effective? Thanks for any help.

This will cost a ton of money to being with. Unless the card can handle most of the processing tasks your system will have to be a monster of a system for anything more than two. See the myth tv and other tv type of applications and their suggestions for cards. Might be easier to do with premade blueray disks. "Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10