I thought the docs said VS2008 can co-exist with older versions. I just tried to do an install (windows XP), and when I start SE2008 for the first time, I get a "file not found" dialog. Then it tells me it has a macro load error, but the directory is the OLD version (old one is C:\Program Files\Slickedit, and new one is C:\Program Files\SlickEdit 2008).
If I try to run VS2008 again, I get "unhandled win32 exception in vs.exe[336]"
I'm a bit reluctant to un-install the old, working version before the new one works, but it looks like I have no choice.