I use Protel and like it. I also use Orcad. Orcad has a design reuse feature but it is not as good as it would seem. We managed to get it to work but there are so many special limitations that even with direct support a vast majority of the tech support people could not make it work. This was when it first came out so it may have improved over the last year but since this is a concern of yours I would have someone prove to me how to do the design reuse features and make sure you can do what you really want to.
Larry


> 
> From: Jesse Lackey <jsl-ml@celestialaudio.com>
> Date: 2005/12/07 Wed PM 06:21:59 EST
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> Subject: Re: [EE] PCB design packages towards Medium End
> 
> Hello, I've been using eagle professional for 3-ish years, and while I 
> recommend it, it has limitations that I'm running into as my designs get 
> more complex.  I'm looking into both orcad and protel next year.
> 
> Orcad looks to be $10K for the "unison" suite, schematic, pcb, 
> simulator, autorouter.
> 
> Altium is in the $8K range for similar setup.
> 
> Specific shortcomings with Eagle:
> 
> 1) re-use of parts of designs.  You can cut & paste the schematic, but 
> can't get the layout as well.  This is a problem for dc/dcs, where 
> layout is critical.
snip

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