*waving hello* Hi there Mac Rumor Guru's! I've been a member for years and lurk quite often but am coming out of lurkdom to ask for some help. I just ordered my first iMac, here are the specs: Configuration NVIDIA GeForceGT750M 1GB GDDR5 2.9GHz Quad-core Intel Core i5 16GB 1600MHz DDR3 SDRAM-2X8GB 1TB Serial ATA @ 5400 rpm MAGIC TRACKPAD I'm going from a Mac Mini that I bought about 8 years ago. Quite the upgrade as you can see. I'm hoping this one will last another 8-10 years. We are light users. Kids will do school reports. Husband is just now discovering Guitar Band, my teenagers like to play with iMovie and I edit my iPhone pics in iPhoto. That's the extent of our use so I'm hoping I picked the right specs. What I'm coming to you for is some guidance on what external hard drive to purchase. I need to get my mini transferred over to 'big mamma' if you will when she arrives. And from what I gather Time Machine will take care of this? So if you can steer me to the right external hard drive and forgive my ignorance but just thinking here, if I back up to Time Machine (which I have NO IDEA how to do.) will it put Lion instead of Maverick on Big Mamma? Thanks for any guidance you can provide.