I don't know if you will find the newer to be "better",although there may be a size adjustment,new therm,etc.
If no one chimes in,call sales and ask them what is the difference,or changes.
Think about if the change is something that makes a big difference in your daily life.
Ask them,what will it do to help you.
They are honest and very knowledgable.
They live where they build them and they all cook on them.
They aren't just an order taker,somewhere on a computer screen.
I'd guess it won't cook "better',or produce a different product.
Just my $0.02