I rip my stuff myself, grab the cd info from freedb but look through and correct it in case of errors. I rip to one big wav + a cuesheet (with FLAC compression later on), and when I have a batch of CDs ripped, I use
Album Cover Art Downloader to find album covers... going to have to scan a few myself, though, since not everything can be found in a decent quality (512x512 JPEG).
I'm using a naming scheme like
Dimmu Borgir [1997] - Enthrone Darkness Triumphant for the folders, so I don't really have to do any special indexing of the folders. Other indexing is done better by the meta-info in the cue-sheets anyway.