The General Chiropractic Council in the UK don't support the use of subluxation within their own industry.
April 1st, 2010 the Court of Appeal ruled that Simon's use of the word "bogus" was comment and not fact. Today the BCA dropped their case against Simon Singh.
This case has cost Simon 200,000 pounds(NZD$435,416) and took 2 years to reach this conclusion. It's unlikely that he'll be able to recover the costs of defending himself.
A few days ago there was an article in The Press on Stuff, Chiropractors' treatments questioned, which reports on the "baseless claims about treating conditions such as asthma, ear infections and colic". The research appears in the New Zealand Medical Journal and covers a review of 200 websites of chiropractors and the claims they make. The results were quite damning.
"An article written by 3 chiropractors and a PhD in physical education and published on December 2, 2009 in the journal Chiropractic and Osteopathy may have sounded the death knell for chiropractic."
Deep-linked to the important bit that explains why chiropractic is