I've been toying with an open line style for a very 2000AD inspired short story and it's been a real challenge. I think what makes it so difficult is that you can't get away with suggesting information, you actually have to provide all the details. Feng Zhu talks about this here:
I've been looking at a lot of Hergé and Moebius for inspiration. It's kind of mind boggling to read that Moebius often works straight with pen - and that “there is no such thing as a mistake”
File this image under "not healthy for artists who arn't Moebius too look at"