Nadal of 2008 put forward the most dominant tournament display since Borg's what, 1978 FO run? So Nadal 2008 >> 2005. But yes, I probably find the 2005 Nadal more exciting.
"You just gotta knuckle down every day 'cause you can't think about tomorrow or yesterday. You just gotta get it done today..." - Nick Kyrgios