dglidden  aka Visual Silence is no longer a vendor at RDNA which is why the outfit is not available.

However, there are a few ways you can try to contact him to see if you can still acquire the outfit:

Renderosity Site Mail

His web site

Deviant Art

RDNA Site Mail

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi