I have a Rme Baby Face with clear preamps built in already. And when I record Guitars and vocals on it, it sounds pretty natural, and if there are things i don't like or if i want to add or edit the sound a little I can always add effects in from a vst plugin. This is why I am asking is a Pre Amp really all that necessary? I can do everything a preamp can do from My DAW. Is it really worth the money? I've had a pretty cheap preamp before with eq and compression on it, but I never used it alot, I always ended up editing my sounds in a DAW.