Dual Monitor problem

I just replaced my 8800GT with a 4870 and now when I watch tv on the secondary monitor while playing LOTRO on the primary the tv video freezes. I know my system can handle LOTRO and tv at the same time because I did it with the 8800GT all the time. Any ideas as to what may be causing this? Could it simply be that the ATI drivers are so crappy that it has trouble handling multiple tasks?

Never mind I updated the tv drivers and player and it seems to be working.