I bought my Mk III lever about three months ago. It was $173 at the time. My local guy, Wes Scott, calculates the cost when he gets a shipment in, and writes the price on the bag with an indelible marker. If he has three of something, there may be three different prices, depending on the exchange rate when the piece was bought.
$173 seemed like a lot, but well worth it compared to the RS lever that came with the bike.