Yup. ECC is usually the more expensive, as it's less inclined to have errors, but runs slightly slower as a result.
ECC is usually overkill for your average home user.
<b><font color=blue>~ <A HREF="http://forums.btvillarin.com/index.php?act=ST&f=41&t=324&s=58e94ba84a16bedfebbf0f416d5bac48" target="_new">My System Specs</A> ~<font color=blue></b>