Adorama offers the SanDisk 32GB Ultra UHS-I Class 10 microSDHC Memory Card, model no. SDSDQUI-032G-A11, for $17.95 with free shipping ($0.56/GB). (Click through Adorama to see this price; Amazon has it for a few pennies more.) That's $2 under our March mention (which required pickup), tied as the lowest total price we've seen, and a current price low by $16. It features read speeds of up to 30MB/s.