From what I've read, more sedating, lower-potency Benzos sometimes get the job done with lower overall dosage.

Also, librium and valium are easier to taper than some of the other, higher potency benzos. Klonopin is a pain to taper, even though it has that long half life.

40mgs/Valium is = to 2mgs/Klonopin, but you get more sedation from the Valium, which kind of limits the dose to a certain extent. Klonopin doses sometimes get crazy high. I seem to recall reading that at or around 4mgs, xanax and klonopin become very, very difficult to taper. Sad thing is, because they're so high potency, its easy to get to that dosage with some prescribers, and then person/patient is basically stuck.