Steve Swerling wrote:

BTW, this version was tested against Bruce Oneal's build that includes
updates up to 4282.
> 
> This version of SPSBrowser adds some performance enhancements to further
> reduce CPU usage. Also included are some miscellaneous changes. The
> changeset is located at:
> 
>   http://users.bestweb.net/~swerling/squeak/spsBrowser.2.cs.gz