My first was a Commodore 64.  My kids all learned to program on it.

Two years ago I gave my son the full Commodore 64 set up.  He power it up and it all worked.   He packaged it back up and said it would go to a great great grandkid down the road.   

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Jack Tramiel, founder of Commodore and an influential figure in the early days of personal computing and video games, passes away Sunday at the age of 83.

more @
http://news.cnet.com/8301-10797_3-57411467-235/commodore-founder-jack-tramiel-dies-at-83/

Wow!  Those are some memories...