Gas Grill with Side Burner and Cast Iron Cooking Grates

Brinkmann 48,000 BTU 4-Burner Gas Grill with 13,500 BTU Side Burner, Stainless-Steel Hood Walmart 650 in^2 $188
Brinkmann 48,000 BTU 4 Burner Heavy-Duty Gas Grill with 12,000 BTU Side Burner - Black Target 650 in^2 $200
Sears Kenmore 48,000 BTU 4-Burner LP Gas Grill with 12,000 BTU Side Burner 650 in^2 $200
Brinkmann 48,000 BTU 4-Burner Gas Grill with 12,000 Side Burner Home Depot 638 in^2, 497 in^2
Brinkmann 48,000 BTU 4 Burner Heavy-Duty Gas Grill with 12,000 Side Burner Target 652 in^2, 513 in^2

Char-Broil 48,000 BTU Four-Burner Gas Grill with 12,000BTU Flush Lidded Sideburner Best Buy, Ace Hardware 516 in^2 $230
Char-Broil 48,000 BTU 4-Burner Grill With 12,000 Side Burner Home Depot 520 in^2, cast iron cooking grates?