>Adding two decks wouldn't be too difficult; arranging onscreen space, however, would be a problem. Actually, that would require the cards to be too small on the screen... which would make it hard to play. I was thinking of adding that once, and gave up.
Yes, I suspect you are right on this one. But I do suspect that the game with two decks would be more interesting, because of the additional choices.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)