Stock up for Father's Day and vacation pix! MacMall has a Sony 16GB SDHC Class 10 Memory Card Sale for just $6.95 with free shipping if you buy $24.99 or more, otherwise shipping is $4.99. Best bet is to buy 4 and get Free Shipping. These cost $11.98 at Amazon. Update: free 2-day shipping with ShopRunner.

Class 10 cards are recommended for recording HD Video.

Having multiple memory cards instead of 1 large one allow you to divide up photos, so if you lose a card, you minimize the loss. Yes this has happened to us!