Acid is for loop based music, Vegas Audio more for actual sound recording + track editing and FX etc. I use Vegas Audio for all my Editing (along with Sound Forge) and find it very easy to use and untill recently never crashed.
i know cross posting is not allowed but i did not mean to post the other one. if you look at it its just a part of a sentence. i thought i had deleted it but obviosly i hadnt and now i cant remove it cause to much time has elapsed. sorry about that.