Can you guys EXPLAIN to me how I set-up a SSD + HDD set-up? How do I configure the OS to be used only for OS + applications and the HDD for pictures, documents etc assuming thats what people mostly do?
I've done this with the expansion slot (since I still burn a lot of CD's and DVDs for media and other computers etc) so I have my OS and Apps on the SSD in the ExpressCard Slot and my user account and data all on the 500GB HDD in the main body in the normal slot. Essentially you can boot from either an external optical drive if you replace the internal one, or what I did is boot off of a USB stick with SL on it, chose the SSD for the OS install, and it will automatically set up apps to be loaded from there, but then you need to either create a home folder on the HDD or re-direct to your existing old home folder on the HDD after starting up from the SSD. You need to also go into system preferences and make sure the startup disk is the SSD and that all permissions are reset to access both drives, etc.
Here are links to ways to do this, most of which will apply to replacing the optical drive with an SSD as well:
https://forums.macrumors.com/threads/1102450/