I suggest two moves at once. There's a NYAL SuperIt phono preamp up for auction right now on Audiogon. It can replace your existing NAD phono pre and the VAC line stage. Sell those items along with the MG-1 and get a newer used small Maggies with ribbons. Eventually you'll need to update your turntable/arm, but what I've recommended will give you a much greater sonic impact then spending your entire budget right now on a turntable/cartridge/phono stage.
I also like the suggestion of the Mogami wires.
I also like the suggestion of the Mogami wires.