[heartisall]

If you usually have relatively decent service go into settings on the orb page and set the bandwidth to 500 of 550 kb/ps this is what i use and I rarely get any buffering issues. The problem is that when orb detects your speed it doesn't allow for the fact that cellular interenet connections can fluctuate at times.

Also if you just want to change the link for the tv pop up window only and you still want opera as you default browser you can edit this reg entry.

HKLM/Software/HTC/TVOutPopUp/3_AP_LINK

change the string value to
\windows\iexplore.exe