[thirsteh]

> I thought the answer to that question was to scale up if you can, because its much simpler and therefore cheaper

✱cough✱ SQL Server licensing fees ✱cough✱

[bri3d]

That's a good point that I overlooked in my post - I'm sure this is a huge consideration for Stack Exchange.

For what it's worth Basecamp also evangelize the "scale up" approach and they're on an open-source stack.