I have had a number of conversations with Netezza in the past. They announced their Retail Analytics Appliance this January. I just got an offer for their white paper (sign in required). Have not looked at it yet, but will. Their advertisement states:
' ... The Netezza Retail Analytic Appliance™ (RAA) is the high-performance, low-cost way to get the business intelligence you need in a customer-centric retail environment. RAA works from advanced software “Playbooks” to optimize how your data is analyzed and how your results are delivered... '