0 Yes, because, for me at least, the 01i00off 02i00in 01i00first off02i00 brings to mind the very informal expression 01i00right off the bat02i00.02br 02br 00 CJ0-
0 01i00First off02i00is more figurative: one may have in mind an object being the first ejected from an artillery piece, such as a gun, a ballista or a baseball bat05002br 02br 00 The other one is more abstract. 010id2