Other World Computing (OWC) today announced that it is offering up to 4GB Memory Kits for Apple’s newly released MacBook 2.0GHz and 2.2GHz models, which began shipping today. OWC Memory of up to 4GB is also available for the full line of MacBook Pro 17”, MacBook Pro 15.4” and MacBook 13.3” models. OWC memory upgrades meet or exceed Apple’s electrical and mechanical design requirements and carry OWC’s Money Back Guarantee and Lifetime Advance Replacement Warranty. OWC 4GB Memory Upgrade Kits are priced at US$159.99 (configured as two 2GB Micron-based memory modules). Additional savings is also available for customers who take advantage of OWC’s trade-in program, which provides cash back for the trade-in of existing Apple factory memory modules.