I have used macs before, mainly in my school's mac lab but I am going to get a 15 in MBP when the refresh happens. I have a few questions thought, if you all don't mind. What exactly is an ethernet port? It seems like a lot of people are upset that the new macs may not come with that. What are some basic things I should do after I get my mac? I know they don't get viruses but are they any basic things I should do right away? What exactly is iCloud? Since I start college in the fall I will need excel, word and power point. Is there a way I can still buy it even if the new macs wipe out the optical disk drive? I don't know a ton about computers, I know a little java but other than the basics that's about it. I'm also a Windows users, but that will be ending shortly.