They are now available!
There are several out on the market, and while I will be using the SWM ones I hope someone can do a review of the different makers.
I like that they are beveled, don't require gap filling, and don't add any height to the model.
[url]http://www.secretweaponminiatures.com/index.php?main_page=product_info&products_id=761[/url]