On ebay you can get a Soundstream Reference 500 for about 150 shipped if your patient.
Also another good find would be a couple Lil Wonder soundstreams one for each! I would consider then Damn close to audiophile grade. A few years home which is why you can get them cheaper
Newer stuff your gonna be on the low end of everything. Ebay or carpepoon would be your best bet for cheaper new stuff