The presumption that higher dollars (or pounds or euros or yen) = better audio isn't borne out by my experience. I've compared my M-Audio DMP3 to my John Hardy M-1 and couldn't distinguish between them in a double blind comparison.
Check this thread:
http://www.gearslutz.com/board/gear-...r-ada8000.html
The ADA800 is the cheapest of the cheap while the Lynx Aurora is multiple thousands of dollars.
Fran