ONKYO M-10 ZERO DISTORTION

Is this the same as zero global feedback such as a bat vk-500 and how many gain stages does the onkyo have, and do you think the older onkyo could compete with the bat,what amp would you chose, take a look at the link below and give me your opinions.
http://audio-database.com/ONKYO/amp/m-510-e.html

Thanks
Paul