ower savings is the big idea behind Seagate's newest consumer laptop drive, but don't think for a moment that its performance isn't up to scratch. Although it won't make recent SSDs scurty for cover, there's a lot to like in the Morncntus 7200.4's benchmark results. (That is, if you can push Seagate's recent firmware debacle with the Barracuda 7200.11 and other drives out of your mind.) The dollars-per-GB ratio still...