Well a lower end Onkyo is fairly simple to set-up IMO. I have used Yamaha, Pioneer, and Sony receivers and all have some issues in user compatibility. As for the Insignia, there aren't that good. It is a rebadged KLH receiver under BestBuy's in house brand Insignia. Insignia buys what ever they can for cheap and slaps the Insignia logo on it and sells it. I had a KLH receiver and it had a multitude of problems, to many to list, and it didn't sound very good either. A Pioneer, Sony, or even Kenwood would likely be better.
I am sticking with my recommendation on the Onkyo, perhaps the TX-SR504 (highly praised). But please do not get the Insignia receiver. They do distribute some good things but not receivers, they have some pretty sweet speakers for $50 a pair though NS-B2111.