I am very satisfied with the way songkong works, so only a minor suggestion.: After matching I am left with a summary box and a html page which I have to close each search. It would be nice not to have to click "close" each and very time. I would rather have an option opt out of this and the html page that gives me details of my matches. Most of the time the information given while matching is sufficient.
Also I would love to start the matching process just by clicking on the cd icon on the left of the start page instead og going through the options page on every album.
If I one needs to set/change options this should be done by a menu entry and/or an icon on the start screen.
"Preview only" by the way is the option I change frequently, followed by "only allow match if all songs.." These would candidates for dedicated icon or radio button on the top page.
As an alternate route "fix Songs" might be made in the startup page.