Hey guys. I came across these: http://www.ground-control-store.com/products/description.php/II=913/CA=116
and wanted to know if anyone has had any dealings with them? If so, what are your impressions? I have an email out to them asking why they are "one of a kind". I'm just trying to make the most informed purchase I can.

and wanted to know if anyone has had any dealings with them? If so, what are your impressions? I have an email out to them asking why they are "one of a kind". I'm just trying to make the most informed purchase I can.
