Will a tv tuner card play nice with a 3d accelorator card???

[The Dark Lord]

I am going to get an nvidia geforce 6600gt as soon as schools out, but I also plan to get...
http://www.geeks.com/details.asp?invtid=SBT-TVFM&cat=VCD
I plan to make my computer my radio, tv, and ... well my computer, but I want to know how a tv capture card works and if it will cooperate with my graphics card...