OS 10.3 also contains X-Windows, so any Unix CAD package will probably run fine, too Both Microsoft and Apple are using Unix as the basis of their OS these days -- funny how things work -- the first multitasking OS designed by academic computer science PhDs is the one everyone ends up using instead of the "hacker's paradise" we've been stuck with since 1980... Wonder if there is any connections between academic research and OS stability. Hmmm.

Lots of CADD for Mac, but you have to look for them. Don't remember the names off hand (Design CAD and DenbaCadd come to mind, but it's been some time since I looked).

I believe the Mac version of Unix is pretty slick -- won't run on my current computer, so no personal experience, but the Mac interface is SO much nicer than Windows interface, I'd expect the same under Unix.

X-Windows is different -- not in ROM like the Mac "native" windowing system, so it varies much more between programs (like Microsoft's Windows programs), but MUCH more stable and there is a ton of software, much of it very "high end" floating around. Recompile the source code and fly.....

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
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1972 280 SE 4.5 165, 000 - It runs!