What colorsync profile should be used with apple display and HD/Gh2 footage?

[woodcarver]

I've read that using a colorsync profile with your computer monitor can really help your computer monitor display accurate color. I've got a new Thunderbolt display. Should I be using the default colorsync profile or HD 709 A or something else?

 

[bbalser]

Ah, ColorSync for video, the biggest mystery about FCP X...