It's always a heated topic when it comes to balance, but at least nowadays there is an attempt to put balance and corrections into the Match Play and tournament style games. Lets take a look at the new 3 page document and see what balances each army is getting.
via WarCom
The Warhammer 40,000 universe is a galactic battlefield contested by dozens of warring factions and hundreds of different units, rumbling vehicles, towering monsters, and myriad other forms of death-dealing entities. Yet if you’ve been keeping up with the game’s latest developments (Warhammer 40,000 Metawatch – we’re looking at you) you’ll be aware that competitive play has been dominated recently by a certain type of list.