If you're comfortable with the command line, you can use tools like wget or curl to download the albums, but you would need to have the URLs for each album. However, for a collection like this, using a command-line music downloader might be more practical.
FLAC ensures (16-bit/44.1 kHz). Early Chris Isaak albums (e.g., Silvertone ) sound significantly better in FLAC than MP3, especially the reverb and twang in “Wicked Game” and “Blue Hotel.”