I saw this topic pop up on a Google Group, think it's a useful topic for deciding which version of CW would be best to get for Classic programming - direct link to post: http://groups.google.com/group/macos9/browse_thread/thread/fa13948e88409...

For those who don't want to login, here's the post:

12/23/93: CodeWarrior DR/1 Gold/Silver/Bronze
03/11/94: CodeWarrior DR/2 Gold/Silver/Bronze
05/05/94: CodeWarrior DR/3 Gold/Silver/Bronze
06/26/94: CodeWarrior 4 Gold/Silver/Bronze
12/15/94: CodeWarrior 5 Gold/Bronze
05/03/95: CodeWarrior 6 Gold/Bronze
09/05/95: CodeWarrior 7 Gold/Bronze
01/04/96: CodeWarrior 8 Gold/Bronze
05/11/96: CodeWarrior 9 Gold
09/09/96: CodeWarrior 10 Gold
12/31/96: CodeWarrior 11 Gold
06/04/97: CodeWarrior Pro 1
10/23/97: CodeWarrior Pro 2
04/07/98: CodeWarrior Pro 3
09/10/98: CodeWarrior Pro 4
06/18/99: CodeWarrior Pro 5
09/09/00: CodeWarrior Pro 6
2001: CodeWarrior Pro 7
2002: CodeWarrior Pro 8
2003: CodeWarrior 9 Mac
2004: CodeWarrior 9 Windows
2005: CodeWarrior Windows discontinued
2006: CodeWarrior Macintosh discontinued
The dates up to Pro 6 come from a MacHack T-shirt. Note that
Metrowerks initially had a quarterly release schedule, then to 3 times
a year, down to twice a year, finally to once a year. Other notes:
- Bronze was 68K only, Silver was PowerPC only and Gold was both 68K
and PowerPC
- Silver was dropped after CodeWarrior 4
- Bronze was dropped after CodeWarrior 8
- Beginning with Pro 1, Windows hosted CDs were included. Pro 4 was
the last to do that, as Pro 5 sold Windows-hosted and Mac-hosted
separately.
- Pascal was dropped after Pro 4 although you could request it from
Metrowerks up through Pro 6, I believe.
- Pro 6 was also the last version to support 68K compilation.
- Pro 7 was the first native Mac OS X version and Pro 8 was the last to
run in Classic.
- Java was decoupled from CodeWarrior around Pro 5 and was cancelled
after Pro 8.