Trying to decide which to buy. The griz is about $650 cheaper than the Jet. The griz has a 5 hp motor while the Jet has a 3 hp motor. The griz head is 3 1/8 in diameter with 32 cutters. The Jet head is 2 3/4 in in diameter with 56 cutters. The Jet has a fractionally shorter conversion time in...