newegg offers the Kingston 4GB microSDHC Class 4 Secure Digital High-Capacity Card with Secure Digital Adapter, model no. SDC4/4GB, for $5.49 with free shipping ($1.37/GB). That's $2 under our mention from three weeks ago and one of the least expensive 4GB microSDHC cards we've ever seen. (It's also a current price low by $2.)