So, I've just bought a new 500gb HDD, and 4gb of RAM for my late '08 MacBook. However, when I started to look for my Leopard install disc, I couldn't find it. So, I was wondering... The old HDD is running Snow Leopard, and is still in the computer. My friend has a MBP, which came with the Snow Leopard DVD. Would it be possible for me to back up the old HDD with Time Machine, install the new HDD, insert his Snow Leopard DVD, format the drive with Disc Utility, and then restore from Time Machine (with all the drivers/etc) installed? The only thing I'm worried about is, I replaced the old HDD because it had some error - ivalid node structure - or something. The drive still works, but would the problem affect anything/be carried over? I'm not so concerned with keeping the files, I just want to have all the drivers/etc installed on my mac, and I couldn't think of another way. Woul this be possible, or is there an easier way?