Other World Computing (OWC) today announced price reductions and same day availability for its 2GB to 16GB Fully Buffered DIMM (FB-DIMM) 667MHz DDR2 72 Bit ECC (error correcting) OWC Mac Pro Upgrade Kits for the new Intel-based Apple “Mac Pro Quad Xeon” Tower with retail pricing now starting at US$495.00. The OWC Mac Pro Upgrade Kits also meet the Mac Pro Quad Xeon requirement that memory be installed in matched sets. A cash-back rebate of up to $350 per set is available from OWC for the trade-in of Apple factory memory.