Saw it once back then on ebay for charity and it go over 5000
So you can't count that as based price.
And on gamestop reward member back then for 25000 point which go out of the window only a day or two after listed.
It's still in the pipeline of mass limited production by triforce.
http://blog.projecttriforce.com/?tag=chainsword
If THQ did not go under I believe it'll be open for purchase someday.