I think that if you're not sure, don't do it. You've got instincts, right? Maybe you'll meet a band and think "**** yeah, I wanna produce those guys!" .. Although I didn't listen to it, your post doesn't exactly radiate motivation so I'm guessing you're not that thrilled.
You know - maybe you can turn a lump of coal into a diamond, but since coal often isn't that hard to find, maybe you can afford to be a bit selective.