I have two questions with which I'd appreciate some help: (1) What are the pros and cons of leaving my home PC in SLEEP mode instead of "SHUT DOWN" (shut off)... I tend to leavge it in sleep mode for portions of the day and wonder if I should bother shutting it off for the night. (2) I have a "CPU meter" and it shows my RAM is anywhere from about 25% to 50% full when I first turn my computer on....seems about the same when it "awakens from sleep as well... Is this typical?? What kind of stuff in stored there? Seems like a lot of this fast access memory is occupied before I begin any activities. And why does the storage vary so much before I begin any activities. thanks.