ATC..MIKE FIRGHT!! & PIPER

has anyone ever been PIC of a piper-cadet or warrior? what is your opinion on this aircraft? Also any tips on talking to ATC..i took ATC courses after ground school and I know what to say and how to talk, but as soon as my hands on that mic button all that can come out of my mouth is "Cherokee niner two one four romeo" and i freeze and i feel like the biggest fool....any hints from any ATC pros to shake that make fright 
