>None of the software packages we have here (Word, Excel, Visio) seem
>particularly well suited to this task.  I don't do the schematics around
>here, but I'm also considering asking the person that does to draw this
>up.  Any suggestions?  Would any of the schematic/cad packages that were
>discussed not too long ago work very well for this?  I've never used any
>of them, but I could pick one up quickly.

Get a copy of Xara X from http://www.xara.com/ You can get a 30 day demo
which will export in WMF format which a lot of software will read. It is
essentially a vector drawing package ideal for drawing block diagrams and
the like, although a lot more powerful than just this.

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