Air2Air -
I may have missed it, but do you have broadband wireless?
You are probably a little too practical for this, however I connect to my many TV channels at home via a Slingbox Pro. Your passenger could watch TV over headphones, etc.
It is really a marvel of technology for under $260.00. You can also monitor security cameras, etc (up to 4 sources, inc HD) from your FJ.
When UFC 66 was on, my friend was floored that I was driving along, watching it live

while bars were charging $20 cover charge to see it.