I found a purchasing agent for a reasonable price this afternoon. Buying through ZenMarket it's $34.74 after discount. From Mandarake it would have been $38.50. ZenMarket gives a ¥300 discount for your first purchase. I used the shipping calculator for the ZenMarket cost, so it may be a bit off from what they actually end up charging me. I got an invoice from Mandarake for the Dark-ism Lockdown head with the actual shipping cost from them so that number should be accurate.