This post will show you how to quickly download multiple tracks from itunes match using a quick shortcut
1) make a new playlist
2) add in each of the tracks (you can select all tracks and drag them into the playlist)
3) once the songs are added, click on the playlist in the left hand window and you will notice a download icon.
4) click the download icon and itunes will download all of those tracks without you having to click each one individually!