However, each keyboard case + switch + keycap setup is going to feel and sound slightly different. So it isn't really an objective improvement but they will likely be distinguishable from one another. Some people are into it for the way it sounds.
Its not necessarily that more expensive switches = better experience, its more about getting exactly the type of switch you want. IMO the best switches I've ever used were $30 for a 61 key compact keyboard's worth.