It's not new that melee warden has mana problems :p
Anyway, if you want some builds, you can look at:
http://fr.allods.com/forum/index.php?pag…d&threadID=1190
The first one is an hybrid build (best DPS), and few posts after, I made a list of possible "base" builds for other specs.
But yes, in 3 days, warden will be completely reworked.