I heard a Rel once. It blew me away when playing a track from Dead Can Dance. Truly pressurized the room. Quite an impressive experience. Then I threw in a Prince CD. Prince is far from fast techno...but that poor little (err...BIG) Rel couldn't keep up. Slow, sloppy bass. That bad boy cost like $3000!

The Hsu's do indeed seem like no brainers if you've got the room for them.