Upgraded from 17 year old Genesis Silver. Many improvements and new features. Ignition system is much better. Propane tank is enclosed. More cooking and side table space. Cooks food more evenly. Stay cool metal lid handle. Can add griddle, et al. Grease catcher slides out to clean. Much better casters. Lid closes without banging metal to metal. All-in-all excellent quality providing a superior grilling experience with outstanding results.