Digital BW, The Print

Hi--I'm trying to decide which is the best (easy to install,
reliable, economical) 
bulk feed/continuous ink system for an inkjet printer (I have an
Epson 1160). So 
far I've found the CIS system from InkjetMall.com ($150), the Niagara
III 
continous inkflow system from MediaStreet.com ($150), and the MIS
Continuous 
Flow System from InkSupply.com ($68.50). Ink is extra for each system.

Is anyone willing to relate experiences, problems, recommendations?
I'd like to 
use black-and-white inks in this printer, if that makes a difference.
Thanks for 
any advice!

Les