Digramming tool (but not Dia)?

[squareyes]

Zach wrote:

>Hi,
>
>I'm taking a computer architecture class, and our assignments involve
>a lot of logical circuit diagrams.  I'm looking for a good diagramming
>tool.  It needs to be able to connect lines to objects as well as to
>arbitrary points on other lines.  I also need to be able to move
>objects around and have the lines adjust and follow, preferably
>keeping at right angles.
>
>I've tried Dia, but it's extremely limited, and doesn't even allow
>rotation of objects.  It also doesn't allow me to connect an endpoint
>of a line to an arbitrary point on another line.
>
>I've also tried XFig (talk about old school!).  It isn't much better. 
>I couldn't seem to be able to connect lines to objects at all.
>
>I've thought about Qcad, but I'm not sure if a CAD program is
>appropriate for this type of task, and I don't believe it will let me
>move the objects around arbitrarily and with the lines adjusting to
>follow.
>  
>
Hi,
have you tried Inkscape or Sodipodi?
Vector illustrators
Hope one of them helps,
Take Care
Winton