Apologies for bringing this one back from the grave, but the appeal decision came in today,
http://news.bbc.co.uk/sport1/hi/other_sports/2332827.stm
In short, they cleared him of any wrongdoing, or of getting a performance boost:
Bearing this in mind, and CAS advice to the IOC to “distinguish between the two isomers of methamphetamine and to introduce a threshold as it has done in the case of other stimulants such as caffeine.” it really does seem a shame that they won’t overturn the removal of his medal. At least it clears his reputation though.