Hihi,
Just my 2cents cos I've been working in F&B for many yrs...
If you can fork out $1k odd to buy convection oven for your home, go for commercial brands instead of domestic brands.
Commercial ones are those used by bakeries, restaurants etc. Look carefully at the equipment those established cake/pie shops (e.g. the very famous one that celebrities buy curry/chicken puff from at Sunshine Plaza) use. These are people who have been baking for so long, and there are only the few brands that they trust - e.g. Unox (very good cos they specialize only in ovens), Toast Master, Roller Grill. These are brands some 4/5 star hotel restaurants use as well...
You can google online to see which companies carry these brands and go down to their offices to view.
But only recommend for hardcore bakers...if you are those bake bi-monthly kind, then just go for the cheaper options ba...