Sandisk today announced the imminent availability of its highest capacity Extreme III SDHC card to date. The 8GB media is bundled with a free Sandisk MicroMate USB 2.0 reader worth $20 and is a class 6 SDHC device guaranteeing write speeds of 6MB/s or faster. The pair are expected to ship within 30 days and will retail for around $179.99.