My pet peeve is when you pick up a clearance that is like this one...
You are cleared to XYZ as filed, climb and maintain 3,000 expect 5,000 in 10 minutes departure is 126.95 squawk 3371.

Everyone reads this back word for word! It's as filed people!

I say...
Acknowledge clearance, squawk 3371.

They say, read back correct. Done!

It took SO much less time. If they give you the full route they want to hear it. If they give you as filed, they expect that you have it already, so why read it back?

The other thing that irks controllers (I know a few) is when pilots say 'three point five' meaning 3,500. I've heard them ***** about it. Just say thirty-five hundred or three thousand five hundred.

Just my opinion.