Have a look at these forum posts on deluxemoda.com:Link hidden: Login to viewLink hidden: Login to viewLink hidden: Login to view
If the prices are too good to be true, then be extra careful. You can ask them for a proof of authenticity but this can also be faked. Please note that high end products like Prada, Fendi, Louis Vuitton, etc. are sold exclusively through their boutiques or their official websites. They used to be sold through Link hidden: Login to view
(which is owned by LVMH) as well but the website has now been reinvented into a publishing site that will officially be launched in 2010.
Hope that helps!