Did the murmurings about a quad-core Galaxy S III this morning leave you feeling a bit meh? We don't blame you. Sure, four cores and integrated LTE sounds great but (and this is a big "but"), Cortex-A9 is old hat. What we really want to hear about are those upcoming Cortex-A15 chips. Well, this should get your blood flowing -- a slide has leaked, allegedly loaded with detailed Exynos 5 specs. Looks like initial entrants will have a pair of