I can't seem to remember the name of the high res music search engine.  I have googled for it and searched head-fi but no luck.  Anyone?  Something like www.findhighrestracks.com?

I have had my HD580 with stock cable for about 7 years now.  I'd like to upgrade soon and my first thought is that I'd like some deeper bass with more impact/kick.  My second thought is that I would like to retain the 'airiness' of the HD580.  Would the LCD2 Rev.2 be a good choice for this...