iMovie '08 version still there after '09 upgrade. Good!

Did you guys know that after installing the iLife '09 upgrade that it leaves a copy of the '08 version on your hard drive? It did with mine anyway.

It put the '08 version in my Applications>iMovie (previous version) folder. So now I have the '09, the '08 & the HD versions of iMovie on my Mac. Its a good thing too because I wasnt digging the performance hit of iMovie '09. Everything seemed to run herky jerky compared to the '08 version.