I hope it won't be too soon, coz in this state it is really imballanced.
The Firelord surely looks sweet, but extremely overpowered. 20!!!! starting agility (for a caster hero....) and 1.8 cooldown (like blademaster) with that special attack is a bit much. Anyway i can't understand why it is an agility hero.
And the Lava Spawn. This is the most stupid and imballanced idea i've ever heard. I know they increased to 12 shots to spawn into a new lava thing, but this does not prevent players from creating a huge army of these on a nearby creep camp, and rush the enemy with them, giving them an amaizingly unfair advantage (not to mention that every lava spawn will further split up in combat)
I think this thing should be disabled on creeps. But then the damage of these lava spawns is also very high. It used to be 14-37 i think (geez i can't belive Blizzard has done this...), they reduced it to 11-27 (on lvl1) with 1.5 cooldown (as archers). Just to remember they're free summoned units, usually massing up because of the splitting with as high attack potential as a rifleman... well no wonder in all the games i played so far everyone chose the FL as his/her first hero (with some exception who chose the Alchemist because of curiosity - well i don't have to say they s*cked badly)
If they don't do anything about this i'm going to stop playing WC3 on Battle.net. At least these new heroes provide some new resources for map makers (like me) and for that i'm thankful.
srry for crying a river about it but i've had just enough of the lots of imballanced games where everyone uses only 1 unit to overpower everything (i mean C&C)