All Vokey wedges are cast not forged. I'm pretty sure your SM2's are cast to. There probably aren't forged Vokey wedges on the market. 

When I did my fitting with Mr Vokey he said its in japan because they want it and are willing to pay the price.. He also said only a very few Pros could tell the difference.. So I doubt they'll ever come to the USA!

In Japan, there is a forged wedge called Cold Forged.

Here is the link:

http://www.titleist.co.jp/htm/wedges/cold_forged.shtml