You can grab the newest upgrade pack which will get you to Rev 89. Still outdated but much better than the dinosaur you're running now:
http://www.projecteq.net/phpBB2/viewtopic.php?t=4612
Any changes you made to the content will be lost, yeah. What kind of fixes did you make to tutorial? If they are Live Like, I'd love to merge them into PEQ. That helps out everybody.