I haven't heard the Arcam but their products are usually good. I'm not seeing any room correction on this receiver and if that's the case I'd pass regardless of it's sonic attributes.
http://www.arcam.co.uk/products,fmj,av-amplifiers,AVR600.htm
I'm a satisfied Pioneer SC-07 user.
http://www.arcam.co.uk/products,fmj,av-amplifiers,AVR600.htm
I'm a satisfied Pioneer SC-07 user.