I too am Left handed and have an old pair of White/Silver Tour Ultras (from back when they were DynoThane) that after 15-18 years need to be replaced. I love the white/silver also, and can't believe they only have black in LH. What a great shoe, I'd buy it in a heart beat if it was something other than black. I even sent a note to Thomas R at 3G, but he said there's not enough market.
I'm out on an injury right now, but need new shoes as soon as I get back. Still can't talk myself into the Black 3G and will have to try another brand I guess, but it's the best shoe ever, period.