i wana watch and record tv channels on my pc , but i am having a trouble in selecting witch tv tuner card or tv tuner usb to buy in karachi to watch and record all the tv channels on my cable , please share ur expereince or expertise in selecting me a gud quality tv tuner card or usb , plus are the tv channels in pakistan are digital or analog ?? which tv tuner card should i but digital or analog ... i just want gud quality plzzz help me