Here is a link to Photozone.de who is a good source for lens reviews.
He is normally pretty harsh in his scoring so I was surprised with the 4 star rating. It gets a very good review.
http://www.photozone.de/canon_eos_ff...8eosff?start=2
There are several sellers on ebay:
http://www.ebay.com.au/sch/i.html?_f...All-Categories
Greg