Is Vitality the only usefull Stat to use our char points?

[Dreamer]

This is COMPLETELY wrong.
400 -> 430 mind is a 7%(44.77 per 400 potency cure) healing increase with SCH relic. This is super good end game gear, you generally won't have 400 base MND so 30 MND will be an even bigger increase.
Source: http://valk.dancing-mad.com/?page_id=279

Shiyo has the right of it. I had two extra respec tomes sitting in my inv from 1.0 that I used a few days ago. MND makes a huge difference in your healing output. If you're throwing all your points into Vit, you're definitely gimping yourself.