Price doesn't seem too bad. Between $90-$130 bux, depending on the amount of cache.
http://www.newegg.com/Store/SubCategory.aspx?SubCategory=600&name=Blu-Ray-Burners&Order=REVIEWS
http://www.newegg.com/Store/SubCategory.aspx?SubCategory=600&name=Blu-Ray-Burners&Order=REVIEWS