both the pvrxxx and pvr250 ports say they are for the 250 and 350 cards in their pkg-descr. I thoght the 250 port was for the pvr 250 and pvr 350, and the pvrxxx is for the 150 and 500, or am I wrong? (my old 150 card died and I had to find a cheap/quick replacement). Thanks, -Jim Stapleton