Hey guys, I am new here and hoping for a bit of advice. I am totally new to Mac and decided to buy the retina MacBook Pro 15 inch 2.7ghz with 16gb of Ram on Friday and I love it! However I do have a small problem! I have noticed the laptop lags when I am copying largish files, here is an example... I play football manage and downloaded all the face packs which required me to copy say 3000 images a a time totalling close to 150mb... What I have noticed is the loading bar will stop and move up every minute or so and I see a multi colour loading circle allot? The loading bar does not move as normal if you get me? I was thinking that for a £2000 machine surely it should be able to handle copying large amounts of images to folders like a breeze? I also have a 512gb SSD in case that is of any help? Oh and one more thing whilst I'm here, I installed Rollercoaster tycoon 3 which is a good few years old and the game lags badly when the graphics are on high quality? Also I can no longer play the game as when I load it up the main menu is half missing etc! Thanks so much for any help and sorry to bore you lol!