Hi i recently bought a BenQ burner, im having much problem and going to exchange it for an LG LG GSA-5160B. Does this look like a good burner also does LG have problems with dual layer,(ive heard some had problems)? http://www.futureshop.ca/catalog/proddetail.asp?logon=&langid=EN&sku_id=0665000FS10055807&catid=