HOLY MOTHER OF MAC GODs! Incredibly, incredibly fast and given I spend 10+ hours a day on my Macbook Pro, it was worth every single dollar spent. Here is what I did: 1. Bought the opti-bay kit. Came with all the screws and gear needed to do the install. 2. Cracked open my MBP 17", removed the optical drive, installed the opti-bay with the OCZ, and did a complete reinstall of Lion. Targeted the OCZ as the boot drive and left my 1T alone. 3. Reinstalled all my apps and pulled over data from my TimeMahchine backup. I'm in the process of doing hard links from my local Pictures, Movie, and Downloads directories to those out on the 1T drive. I did a complete and painful reinstall of Lion because I upgraded from Leopard, Snow Leopard, to Lion and was running into some issues with the spinning beach ball appearing on a regular basis. These random slowdowns were driving me nuts and after weeks of intense debugging, I couldn't get them fixed. Now if 16G RAM kits would drop in price, I'll be in computing heaven!