I've picked up Witcher 1 again after many years. I've only just started, but I'd like to plan ahead a little. One thing I'm not sure about is making swords. Obviously I want to get the unique one eventually, but until I do, which ores/runes should I go for? Is mixing 2+1 worthwhile or should I just go for purely one-color swords? If so, should I just wait until I have three yellow ores or three sun runes?