Put simply, Fast Track is a program launched by Microsoft that targets Data Warehousing workloads with a goal of achieving incredible performance with low-cost hardware.
These prescriptive configurations include a blend of resources and best practices that really leverage the latest features in SQL 2008 Enterprise:
EMC has helped to build out solutions that leverage the CLARiiON AX4 series. You can read more details here.
The linked presentation is pretty good even for someone such as I who knows this > < much about Data Warehousing.
Good job EMC Consulting.