This replaced a top-of the line GE Profile range that lasted 20 years. The convection oven works well and is much quieter than my old one. The burners are more powerful and the griddle and AirFry are new features. 
GE provides almost no information about how or when to use the AirFry feature, and I've never seen or tasted AirFried food, so last night I did an hour of research online and found a lot of useful information on Frigidaire's website. I ordered a pan and I'm eager to try it now.
The main reason I bought a slide-in model this time was because the available free-standing models were so unattractive. But I miss the more visible clock and I find no advantage that justifies the slide-in's higher price other than appearance.