lol
yea I went to digikey and got the "snotty" wire, but its night and day difference
the silver coating is slicker so it doesnt get jammed up in the bit, its thicker, it has slightly less capacitance in its insulation (really tho all this stuff sticks like packing peanuts in a darn Tesla coil, who thought that up???) blah blah blah, its just worth it