I am very strong with iOS but a newbie with OS / X.
how bad is the performance hit on the new Base 1.1 / 256 and is the security worth it to enable it?
I currently have a mid 2010 iMac 21.5 that I'm not using it..
thoughts?

how bad is the performance hit on the new Base 1.1 / 256 and is the security worth it to enable it?
I currently have a mid 2010 iMac 21.5 that I'm not using it..
thoughts?