You may want to change some of the default settings if you are running IIS and ColdFusion 10. There is a good chance that you will see significant stability and performance improvements.
If you are experiencing an incredibly slow ColdFusion 10 installation after upgrading, you might want to check IIS for script/handler mappings that still exist from the previous CF version.
I did a live presentation in which I upgraded a production ColdFusion 9 server to ColdFusion 10. Here are my notes if anyone is interested.
There was a change to the way you connect ColdFusion instances to IIS websites in ColdFusion 10.
We recently had to update our post-commit hook functionality to be compatible with subversion 1.7 working copies. There are more JAR file dependencies with 1.7, so here are some tips.