The ultimate Calendar table for #powerpivot (and #ssas, why not)

Boyan Penev announced the availability of DateStream project on CodePlex: it is a data feed that can be consumed by PowerPivot but also to generate a calendar table for any type of usage. Yes, Analysis Services has a wizard, but when you are in a hurry why not simply consume a ready to go data source?

In fact, this data feed is published for free on Azure DataMarket:

I would like to get feedback – in my opinion performance are not very good but hearing words from other users would be nice.

Thanks to Boyan for his effort!