LFS's like sumps and bioballs because they tend to routinely overstock. LFS systems (except show tanks ) are rarely a good model for the home.
I like Hagens of the tradtional impellor powerheads, I hear only bad of Rio's. For water movement propellor 'Tunze' style powerheads are awesome, branded as Tunze (expensive) and Seio.
Read the seio review thread, and my sticky on Flow