At today's WWDC keynote event, Apple offered a sneak peek of its next-generation Mac Pro, a line of desktop of computers that has not received a significant update in over a year. The preview video showcased a tubular tower design New generation Intel Xeon processors, ECC memory, and new PCIe flash storage will debut in the new Mac Pro. External expansion will be available via Thunderbolt 2 and graphics will be handled by dual workstation AMD FirePro GPUs with support for 4K displays. Compared to the previous Mac Pro, the new generation model is significantly smaller and will be assembled in the US. A preview of the Mac Pro will be available to developers at WWDC tomorrow.