Apple has added Other World Computing (OWC) to its Hot Deals program. OWC is currently offering the Sonnet Cresendo/PCI G3/450MHz upgrade card for US$134.99; the Mercury Extreme G4/800MHz upgrade card for $255; the Mercury FireWire 800 PCI adapter card for $72.50; the 40GB Mercury On-the-Go FireWire portable hard drive for $219, and the 80GB On-the-Go FireWire portable hard drive for $350.