Are they all like this?

Not fun??? Oh pish, I have to disagree with you there baby. All you need is a set of carbide burrs with wide teeth and an air grinder or Dremel and they'll eat through aluminum like it's nobody's business.

Well ... I guess it IS my business anyhow. :-D I can debur an intake almost as fast as I can give somebody a quote on a pair of custom valve covers.