Okay, here is the official statement provided by Pioneer DJ:
"We are currently reviewing the best sampler specifications suited to the SP-16’s music production design and will be working on a new firmware update when the speciation can be confirmed. Unfortunately, we can't put a date on this release yet as it is dependent on our engineers findings, as soon as we can provide a release date, we will. Thank you for your patience.”
My unofficial comment on your request above is that Pioneer DJ does not reimburse or provide "cash back" on products. If you are not happy with a purchase, your retailer can facilitate a return or refund (within their terms), but we, as the manufacturer, do not offer that kind of compensation.