eBay with vipoutlet has the Member's Mark Pro Series 5-Burner Gas Grill (G62301-1) on sale for $300 - 10% off auto-applied in cart = $270 with free shipping. Check reviews on Sam's Club.
640 sq inches cooking space / 160 sq inches warming rack. Includes custom-fit grill cover. 64K BTU main burners / 12K BTU infrared sear burner. Tool and accessory hooks. Weight: 178.6 lbs.