Hi, I've already gathered the material needed to solder my wiikey that will arrive in some 5 days I have none experience in soldering but I can say that my tests before chipping seemed to go well, the soldering went smooth. I just wanted to ask something about the wire and the solder. I only managed to get a solder that is 60% Tin and 40% Lead. I asked about solder with rosin-core and the guy just stared at me whit a "what?" face.. I just would like to know what would be the difference about it not being rosin-core and unlike the one that was stated here http://gbatemp.net/index.php?showtopic=43534 which is 62% Tin, 36% Lead and 2% Silver (with rosin-core). Will it not having a rosin-core and 2% silver make much difference if well soldered? The smallest wire they had was also some 42 instead of 30.. will it make much difference? It's a pity my country has no Radioshack.. Thanks in advance!