- If you don't have a really loaded CPU/harddisk (or have a good performance CPU/harddisk - in practice anything with an i5/i7 CPU should be OK) you should use full disk encryption - FileVault 2 if you have anything in your computer that needs security/privacy.
- Macbook Pro EFI Firmware Update 2.3 (for AES-NI) (only some early 2011/late 2011 models).