You'll likely not see flicker at 60HZ because of the persistence of an LCD monitor. It simply doesn't switch on & off as fast as a CRT; that's why most computer LCDs can easily get away with 60HZ native refresh rates.
Another PCI tuner card I found (but haven't yet checked out) was found here:
I have no idea if it's all that, but I hope to find out soon. It sounds like just what I'm looking for...