Hey guys,   I am having a hard time deciding between the hd 598 and rs 180. How do they compare in terms of sound quality? I don't have an amp so will only be plugging them into my m-audio m-track interface. Any feedbacks will be great. Thanks

Hey guys, just new to head-fi and first post.   Like the title suggests, I've got a set of Bose Accoustimass lying around in the basement and want to hook it up to my pc. What are the smallest amps (if they even exist) that are able to drive them Bose? Because it's a pc setup i'd like an amp...