The big buzz right now in BI seems to be Microsoft's announcement yesterday of a deal to purchase data warehouse appliance vendor DatAllegro. There are tons of blog posts and articles out there. So here's a quick summary and then a link.
According to Doug Henschen's artcle, Microsoft claims that "the DatAllegro acquisition will accelerate our data warehousing roadmap and quickly take us into high-scale deployments in the hundreds of terabytes."
Doug Henschen has a good article here explaining both the aquisition and the MPP architecture that DatAllegro expoits.
So, if your company is using SQL Server and starting to reach the 10's of terabytes of data, this may interest you.