Thanks for your bumps. They were indeed in trouble last year, had some tech probs and they stopped updating their sites.
However, conversion was still good for me, and I was always able to get in touch with their affiliate rep Nikolas. He even made it possible for me to get paid through a payment system they didn't officially support. That was in February 2011.
Since then, total silence and they seem to have disappeared completely.
Oh, and for the lazy ones:
http://www.xcorecash.com/