Newegg offers the G.Skill 64GB UHS-I Class 10 microSDXC Flash Card, model no. FF-TSDXC64GA-U1, for $19.99. Coupon code "0509SCHGME66" drops it to $14.99. With 99 cents for shipping, that's tied with our mention from January as the lowest total price we've seen. (It's also a current best by $4.) It includes a SD adapter.