SSHD optimization. After upgrading to a Seagate 2 TB SSHD with a 6 GB solid state cashe, should I use a 4 GB flash drive (mounted on USB 2) for READYBOOST? Running discspeed gives no conclusive answers (I.e. variations between runs approaches the variance between with and without the flash drive mounted. The majority of my usage is sequential files: wp, spreadsheet, tax preparation.