^^^
Mac is a nice OS. But being an ex. windows user, you might want to look into buying hyperdock for the window snapping/ preview feature. Don't know why Apple haven't included this basic functionality yet. Also having a red button that doesn't actually close some programs but closes others is PITA. Learn to use CMD Q. Also having a green button that doesn't always maximise a window is another teeth grinder.
Think about getting another 2tb drive to backup the 2tb drive you are currently using. Time machine is fantastic.
When you have more cash. You could look into getting an airport extreme, especially if you macbook has the new faster AC wifi. Then you can just plug that 2tb as well as a few other drives (by using a USB hub) into the airport extreme and have as much remote storage as you like. i.e. I have a drive dedicated as remote backup drive (My main comp already has two internal drives dedicated to time machine). I then have an external raid 1 box plugged into it for semi important files that don't get backed up.
The best thing is these external drives are shut away in a cupboard and you don't see them, but I can access them from any computer in the house.