The new heavy armor set gives 115 more vitalitty than the light armor one. I understand wanting to give melees more hp but this is a huge amount and therefore a huge buff, I wouldn't say for example that warriors were underpowered compared to other classes before this.
Even so, I wouldn't have a problem with it if light armor at least got a similar energy bonus instead of vit and medium armor was half/half. I'm still content with my armor and I know the existing armor probably won't be changed, I just hope this will be taken into consideration for the eventual level 50 end-game armor.
If you're gonna give heavy armor a ton of extra stats, either give us other stats like energy or make it take fewer resources to craft, 3k hp is not minor.