Hey nuel_pw 
i am going to be a templar aswell (well i was forced since no one else wanted to be the guildleader of my friends lol)
and tbh i just tooked my Dragoon Build and replaced Dragoon with Templar
it is working absolutly fine for me right now being level 136 (farming and questing on maps atleast 10levels above me)
For Stats i went for a STR/Con mixxed build (sitting right now on 177str and about 80con with a very low dex of 25)
If u are going for hoplite there are some key Atributes u really wanna take 
1: Stabbing Evasion
2: Finestra Splash
3: Keep Stabbing and Pierce Atribute up to date (i go for about 5atribute level per char level)
4: Conentrate should be maxxed arround hoplite c2
5: PLATE MASTERY (caps cuz i talked to so many ppl having trouble cuz of not having this!)
good luck on your way to templar <3