E3K does something most Electrologists don't do...they numb your face with Lidocane SubQ, as you know. With one's face numbed up like that they can work longer because you are comfortable. Also the type of machine they are using can make a difference. Right now the Apilus Platinum is touted as the top machine. And as JennX pointed out, hair grows in cycles, 3 in fact, and it will take several "clearings" (5-7?) to permanently eradicate the hair. Even E3K's FAQ's state that is takes 70-90 hrs to clear a beard.
http://www.electrology2000.com/e3000.htmlI've had 5 Laser treatments with the Luminus Lightshear- Duet, and to date 23 hours of Electrolysis, and I still have some dark hairs growing back. After the first Laser treatment I was able to see how much light/white hairs I had, so I knew I would have to have Electrolysis. The Electrologist I'm going to uses an Apilus Senior II, and has over 15 yrs experience, which counts because I have little to none "bumps" on my face after each session. Plus, I haven't noted any orange-ish discoloration like I had with the first couple of Laser treatments, and what I've heard some gals report with Electrolysis. It takes time, consistency counts to, so don't be discouraged, I know it seems like there's no end to the hairs at times.

And E3K isn't the only Electrologists in the DFW area, there are several very good ones, I've been to 2 of them. So look for one that can schedule you on a regular basis, and has lots of experience.