After careful evaluation of both the Moome XG DVI card (borrowed) and the Moome ISS HDMI card (purchased, at hideous expense, but we have to pay for the design/development), I decided they were both crap and I sold my ISS card.
Both had too hot signals, neither were sharper than analogue, and the ISS card won't sync to many sources, and the black level was not clamped properly - it moved around with the signal causing "shading".
Neither had proper 75ohm micro traces for the RGB signal tracks.
Now, I can't comment on the quality of the Full-HD card, as I'm not willing to fork out $430 to get *maybe* a marginal improvement over quality analogue, as well as the fun that is HDMI.....possible sync issues, uncontrolled colourspace conversions, uncontrolled levels expansions....all sorts of crap.
With your scaler I understand you have this in hand, but with a PC it's a nightmare. I have PERFECT bluray playback now with my PC. Perfectly smooth, no levels expansion, controlled conversion to RGB using BT709, with no banding whatsover.
I don't want to wreck it by going HDMI - that will cause a levels expansion, then a recompression, and god knows what it will do to the colourspace conversion.
Now, with a PG Xtra, worth about $500 maybe, how is it sensible to send $430 on a Moome box, which may have *marginal* improvements over a HD-Fury? That's nuts.
I tried a HD-Fury, borrowed from a mate. It sync'd up fine with my PC, unlike the Moome ISS card. But it looked no sharper than analogue. For me, a $150 + $$ for cable sideways move with no improvement.