To add data to the pool: I have 12 GB of email (all mail I ever received since 2001) in a (paid) Google Apps account and I do not experience an considerable slo

To add data to the pool: I have 12 GB of email (all mail I ever received since 2001) in a (paid) Google Apps account and I do not experience an considerable slowdown for at least a year now. There were some issues with search before that (no other part was slow though), but that went away over time.