Other World Computing (OWC) today announced that new 1GB and 2GB memory upgrade kits for Apple’s new MacBook and MacBook Pro models are now available. Apple recommends that their MacBook and MacBook Pro models be upgraded with matched-size memory pairs to maximize system performance, which is provided with either of the OWC Upgrade Kits. The 1GB OWC matched pair memory kit is priced at US$99 and the 2GB matched pair upgrade kit is $225. Both kits are available for order now.