bios chip 2.1 to 2.3

i have a unibios 2.1 in my mvs 1f board.....is it worth the money to go a 2.3 is there enought updates warrenty the upgrade

You can see the updates here in "whats new"
http://unibios.free.fr/download.html

If you have Irritating Maze, Jockey Grandprix, or Samurai Shodown 5 Special, it has some very important updates. Those are really the only reasons I care... Oh, and the jukebox on Ghostlop works.