My opinion is based off of pve. More int than dex but enough dex to carry every levels dex equipment.

To clarify as level 56 Mage, I have 120 dex & rest in Int. At 56 you need 120 dex to equip lvl 56 dex gear but wearing 56 int gear.

Just as an example. IMO. It's what I've found best in my play style.

Pure is always good too in pve accept bears. Bears need dex to be real effective.