Okay, they're not depicted to scale -- but don't they look sweet? In addition to the Memory Vault, SanDisk also chose today to freshen up its SDXC and USB flash products, which should start appearing in candy stores from October. Top billing goes to the Extreme Pro SDXC with 95MB/s reads and purportedly world-beating 90MB/s writes, starting at $110 for 8GB and topping out at 64GB for untold dollars. The Mobile Ultra range for microSDXC-equipped phones and tablets also goes up to 64GB, with 30MB/s transfer rates and a starting price of $25 for 4GB. Then there's the tiny Cruzer Fit and poc