I agree, I'm excited. Hopefully the optimizer can take full advantage of these column stores. However, postgresql isn't the only open source column store. Monet

I agree, I'm excited. Hopefully the optimizer can take full advantage of these column stores. However, postgresql isn't the only open source column store. MonetDB is another one. It is an academic project but people do use it commercially. I know some people who get great performance out of MonetDB, even though its optimizer has some gaps.