never even heard of cable comming in on ethernet. nor am i aware of compatible tv tuners.
however, you can still use any tv tuner you want. what you do is hook the tv tuner up to your cable box. all you will get is one channel (whatever the cable box is set to) but most tv tuners support the use of ir blasters- a device that hooks up to your usb port, then points toward your cable box. Everytime you change the channel on the pc, the ir blaster signals the cable box to change too. pretty slick really, though im sure the setup would be a bit of a pain.
I bet the "things" that the Tivo box uses are IR blasters.
I know this really stinks, because having fiber to the house gives so many benifits, including internet speed. But it is also so restrictive when it comes to splitting or sharing or using advanced technology.
thanks for the info. Guess I will have to live with what I have got for now!
is this a digital cable service then? i would suppose it has to be. in that case, even if you had a coax connection for your tv tuner card you still couldnt use it. digital cable only works with cable company boxes, no matter the connection used. they are trying to make it possible to natively receive hd-cable through a pci card, but cable companies dont want it. they want full control of what you watch, record, etc.