True, I was limiting my list to movie villians. Toss in TV series villains and Khans goes from average (at best) to light weight.
And there being enough chance for the Enterprise to meet the Borg much earlier, possibly as early as the next film*, the new crew is in for a big shock as to just how misleading Spock Prime statement was.
* Five years in deep space? What else did you think we would find there? You should have listened to Doctor McCoy.