It's been confirmed for months that perks are not like Fallout 3's, they're not wacky. All perks are related to your skills. So for sword perks, you have stuff such as increased critical strike, for axes you have bleeding damage, and an example of maces is that you can ignore armor.
We're not going to see random perks, they're all under skills.
And yes, I'm looking forward to 'em