Staples offers the SanDisk 8GB SDHC Class 4 Secure Digital High-Capacity Memory Card, model no. SDSDB-8192-A11, for $4.99 with free shipping ($0.62/GB). That's the lowest total price we could find by $2 and one of the least expensive 8GB class 4 SDHC cards we've seen without rebate hassles. Sales tax is added where applicable. It features 10 MB/s max read/write speeds. Deal ends November 25.