No mod will stop the game from feeling like shit but you should look into "Viva New Vegas" which is a complete modding guide that makes it smoother and improves a lot of things without veering too much away from the original experience.
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
^other^ ^rules^
No mod will stop the game from feeling like shit but you should look into "Viva New Vegas" which is a complete modding guide that makes it smoother and improves a lot of things without veering too much away from the original experience.