I was kind of sad to see this in that while I don't own a Diamonback I have shot a few of them with buddies at the range and they seemed like a nice utilitarian-like model. That said, sign of the times in that there are more and more consolidations occurring in the corporate world from what I can tell:
http://cheaperthandirt.com/blog/?p=35774
http://cheaperthandirt.com/blog/?p=35774