While most of the complaints about the new MacBooks and MacBook Pros have focused on things like the screen or the absence of a certain much-loved port, it appears that another problem has been bugging some folks that went ahead and maxed out the RAM on their shiny new laptop. Apparently, loading 4GB of RAM (either from Apple or a third party) has caused at least a few MacBooks and MacBook Pros to freeze up randomly which, for the time being at least, can only be remedied by dialing things back to 2GB or 3GB of RAM (something tested by jkOnTheRun). While Apple isn't saying anything publicly about this just yet, one member of the Apple support forum claims to have heard from an Apple engineer who