The menus are in fact quite choppy, the waiting periods in between, not at the actual menu itself.
I've found glide64 plugin to work much more smoothly for me than Jabo, so that's the one that'll be used.
Here's a quick .m64 of navigating through the menus, I've decided to skip past the normal starcraft campaigns and start with Protoss Brood War. Once that campaign is done I'll do Terran BW campaign, then finish with Zerg BW, all in order (how nice that it works out that way.) TBW, PBW, and ZBW will all be represented, I think the zerg campaign will be mighty interesting and require some extreme micro/macro managing skills. It has 2 more missions, and has the best ending and is technically the end of Brood War the game so that'd be an acceptable ending I hope, despite skipping the first 3 campaigns of normal starcraft.
Edit: WIP not quite working yet
hmm it desynching a little and choosing normal starcraft terran campaign, I'll try to fix that
Edit:
Working menu navigation
I barely lost any frames to get it to work, like maybe 4-5, so no biggie. Beforehand it was going succussfully to the Terran normal Starcraft campaign, but that's not what I want :P It should all work now, lemme know if it doesn't.
