How can I use Google Analytics to detect users viewing my website on a TV?

[RCF]

I want to see in Google Analytics whether or not people are viewing my website on a TV, such as with a smart TV or other device connected to their TV.

These are the only ways to do this that I have found so far:

Operating system: Google TV, Nintendo Wii, Playstation 3, Xbox

Browser: Nintendo Browser, Playstation 3

Are there other data points that I can reliably use to segment these users?

[Martijn_Scheijbeler]

I would go with the solution from Oren, as TVs are still in this period of time not very popular for browsing in most cases I wouldn't bet on Google Analytics integrating any more data for this.

[Oren.]

Browser Size is a good one for extrapolating devices, that can be more helpful than a list of smartphone brands or video game systems and other tv browsers.