What are they? Where are the best places to farm Badges of Justice when you're not uber leet?

Mech gives a total of 5 badges per run

Ravnia,

While true the last 2 bosses can be a royal in heroic. You can get 3 pretty quickly though from the 2 gate keepers and the first boss.

Ramparts only gives 2 badges, but is pretty easy.
Crypts is easy but again only 2.

True ... True ... that the last 2 bosses are a pain ... however ... I did fail to mention that a group can get through the first main and 2 mini-bosses and end up with 3 badges then reset ...

Reset? As in wait till the next day? As I recall you can't reset heroic instances..... >.<

Essentially yes wait till the next day ... :)

Avearis is not specific on regarding how 'un-uber/leet' his group will be ...

As mentioned Ramps/Crypts/Mech are the easiest to get badges from ...

Also a warning ... Crypts is hard with a pally healer cause of the debuff aura for casting ...