Using an iMac as a Gaming Monitor?

[gigidey]

I want to know if there's a way to use my iMac as a monitor for either my Xbox 360 or Wii. I don't really care if it's HD or not, thanks for the help.

 

[dukebound85]

you can use an eyetv product

 

[Hellhammer]

EyeTV works but it isn't HD and there's a noticeable lag. Get a monitor instead