The process took 4 weeks. I interviewed at Acuitus (Palo Alto, CA) in Dec 2010
Interview
The hiring process is some cold calling, logic tests, interviews, and a lot of waiting.
Acuitus is known for being a company that takes a notoriously long time to process applications through. I hope you all have better luck than I did.
For whatever reason, I'm not sure why they don't streamline their processes more.