ENH/FIX: DICS power

Addresses broken DICS example + adds improvements

![screenshot 2014-02-05 14 59 40](https://f.cloud.github.com/assets/1908618/2087562/f38bd9e8-8e6d-11e3-8564-9f6d5e1c53f6.png)
![screenshot 2014-02-05 14 59 33](https://f.cloud.github.com/assets/1908618/2087563/f3bc93bc-8e6d-11e3-82b9-8adffa4735f1.png)