I suppose if porting and screw-in chokes had been available in the 20's and 30's we would be seeing a lot of Parkers and other doubles with these "improvements" today. People just love technology and can't wait for an excuse to own/use it.I've stopped with a cell phone and electricity as far as being a slave to the newest gadgets.....ok, the "GraverMeister" is nice as are diamond hones and the MMC checkering tool and I guess I couldn't live without the....