Don't know about this particular card, but I've had the Twinham VisionPlus DTV ter for about three weeks and am very pleased with it.
It's a Freeview card and brings in all the TV and radio stations available in my area on the service.
Sound and pictures are absolutely first class.
Bought mine from click here+(Free-view)
but notice the price has gone up since from £38.50 plus VAT to £43.99 plus VAT, no doubt because the word has got around that it is superior to the Hauppauge equivalent and a lot cheaper.