I concur. Exadatas ain't cheap and they're selling like hot cakes. It's cheaper and quicker to scale horizontally than vertically and that is particularly true

I concur. Exadatas ain't cheap and they're selling like hot cakes. It's cheaper and quicker to scale horizontally than vertically and that is particularly true when the database becomes a huge performance bottleneck taking several DBAs' full attention trying to deal with I/O contention.