EverydaySource offers the Marware Hard Case with Holster for iPhone 3G/3GS bundled with a Screen Protector for $4.99. Coupon code "S0303QOPZ" cuts it to $1.99. With $3.12 for shipping, that's the lowest total price we could find by $4. This bundle includes a scratch-resistant flexi-shell, snap-in holster, retractable sidearm cord winder, and a screen protector. Coupon expires after 1,000 uses.