You don't need a FreeSat receiver to get satellite HD. Mine isn't FreeSat and does. You merely need to select the correct channel number, instead of pressing the red button or whatever.
My main interest is drama - and to be perfectly honest it looks very little different on HD - due to the use of fog filters in the cameras. Basically the talent doesn't want to be seen warts and all. ;-)
Sports and some documentaries can look stunning though - it was worth the cost for Wimbledon alone. About the only sport I watch. ;-)
Ms Streisand was interviewed on Jonathan Ross last night - talk about fog filter on kill. My early VHS was capable of better resolution than those cameras were giving...