I have been looking at some CISCO cource material and they have really nice little icons of routers and the way information flows etc. I would really like to do something like this with some of the networks I care for. I would be good to be able to drag the routers and switchs around, place some computers, servers and users, code them diferent tag them with information that sort of thing. I would like to be able to pick up how to do with within a couple of hours. I would like the software to have an icon for just about every device imaginable and I would like to be able to try it before I buy it.