Samsung 840 PRO, best SSD
To enable Trim:
The following commands work on both OS X 10.8.2 as well as 10.8.3:
sudo cp /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage-backup (backup original driver)
sudo perl -pi -e 's|(\x52\x6F\x74\x61\x74\x69\x6F\x6E\x61\x6C\x00{1,20})[^\x00]{9}(\x00{1,20}\x54)|$1\x00\x00\x00\x00\x00\x00\x00\x00\x00$2|sg' /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage (modify driver)
sudo kextcache -system-prelinked-kernel
sudo kextcache -system-caches (clear caches, so OS X can pick up new driver)
After that, reboot and if all goes well, you'll see TRIM turned on in System Information.
as for RAM:
http://www.newegg.com/Product/Produc...82E16820231342