San Diego-based Iomega today announced that it has introduced a new 4 gigabyte and 8 gigabyte mini hard drives. Iomega's new Micro Mini Hard Drives are drop shock protected for portable usage, and are targeted as an alternative for flash-based memory storage devices. Iomega said the new drives support USB 2.0 and have a form factor of less than a credit card. The new hardware is priced at $129.95 for the 4GB model and $169.95 for the 8GB model, and provide more capacity per dollar than more expensive flash memory devices.